音标:[iksˈpreʃən ˈsistəm] ;
[医]表达系统

expression system的用法和样例:

例句

  1. A plant root specific expression promotor sequence, and the recombinant nucleic acid sequence, configurator and expression system, which containing said promotor are disclosed.本发明提供了一个植物根特异性表达启动子序列,含有该启动子的重组核酸序列,构建体和表达系统。
  2. His book is a wide-ranging elaboration of imaginative literature as a system of representation, equal in authority, as he thinks, to science.他的书是想像文学广泛且详尽的成果,是一个表达系统,他认为,在权威上与科学等同。

图片1 When someone is telling you a story with a lot of little details and you want them to get to the main point, you can say cut to the chase. This expression is used with friends when you want them to cut to the most interesting part of the stor

发表于:2018-12-06 / 阅读(128) / 评论(0) 分类 英语博客-北美风情

[00:00.00] Unit 4 Lesson 13 [00:05.09]new words and expression [00:09.53]was [00:10.92]v.(be的过去式) [00:12.30]yesterday [00:13.73]n.adv.昨天 [00:15.15]were [00:16.43]v.(be的过去式) [00:17.71]wasn't [00:19.08]=was not [00:20.45]weren't [00

发表于:2018-12-10 / 阅读(152) / 评论(0) 分类 广州初中2A

[00:00.00] Unit 5 Lesson 17 [00:05.20]new words and expression [00:09.56]scinema [00:10.95]n.电影院 [00:12.33]else [00:13.65]adv.别的,其它的 [00:14.97]What else? [00:16.44]还有别的吗? [00:17.92]the same as [00:19.50]和......一样 [

发表于:2018-12-10 / 阅读(224) / 评论(0) 分类 广州初中2A

[00:00.00] Uint 7 [00:02.90]Lesson 25 [00:06.14]New word and expression [00:10.08]manners [00:11.52]pl.礼貌 [00:12.96]Zak [00:14.18]n.扎克 [00:15.41]Epps [00:16.69]n.艾普斯 [00:17.97]principal [00:19.45]n.校长 [00:20.92]seat [00:22.24]n.座位

发表于:2018-12-10 / 阅读(197) / 评论(0) 分类 广州初中4A

[00:00.00] Unit 1 Hobbies Lesson 1 New word and expression [00:07.08]sportsman [00:08.61]运动员 [00:10.14]sportswoman [00:12.12]n.女运动家 [00:14.11]fun [00:15.78]n.有趣的事;玩笑;娱乐 [00:17.45]make friends (with) [00:19.23]与...交

发表于:2018-12-10 / 阅读(204) / 评论(0) 分类 广州初中4A

[00:00.00] Unit 6 Lesson 21 [00:05.30]new words and expression [00:10.48]join [00:12.06]v.加入 [00:13.64]department [00:15.56]n.部门 [00:17.48]Read about Mr Adamsand say if the sentences are true (T)or false (F). [00:29.54]Get to Know your School

发表于:2018-12-10 / 阅读(181) / 评论(0) 分类 广州初中英语6A

[00:00.00] Unit 7 Lesson 25 [00:05.20]new words and expression [00:09.87]drive [00:11.64]n.驾驶路程 [00:13.40]as [00:15.73]conj.当的时候 [00:18.05]show(sb.)around [00:20.94]领着(某人)参观 [00:23.82]Read about a visit to the Guangzho

发表于:2018-12-10 / 阅读(130) / 评论(0) 分类 初中英语

[00:00.00] Unit 1 Lesson 1 [00:04.41]new words and expression [00:08.25]along(with sb./sth.) [00:10.53]adv.随同,陪同,一同 [00:12.80]earache [00:14.18]n.耳朵疼 [00:15.57]hardly [00:16.89]adv.几乎不,简直不 [00:18.21]serious [00:19.

发表于:2018-12-10 / 阅读(173) / 评论(0) 分类 初中英语

图片1 This expression is a funny way of saying that someone is old. To be over the hill means that someone is old, and so not able to do things that they used to do. You might see this expression on birthday cards or hear it in movies. This express

发表于:2019-01-01 / 阅读(116) / 评论(0) 分类 英语博客-北美风情

图片1 The expression when pigs fly is used when people talk about something they would never do, or some event that would never happen. It is a very old expression, and no one knows why we talk about pigs! We can also use the similar expression, wh

发表于:2019-01-01 / 阅读(138) / 评论(0) 分类 英语博客-北美风情

Broadcast on Coast to Coast: February 6, 2003 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- meet Kembrew McLeod. He's an assistant professor of communications [studies] at the University of Iowa. A few years ago, Mr. McLeod

发表于:2019-01-25 / 阅读(142) / 评论(0) 分类 词汇大师(Wordmaster)

图片1 In this episode, Robin and Jessie discuss the expression to shrug something off. Check out the picture here to see an example of someone shrugging. In certain situations a person may want to shrug it off, or have to roll with the punches, and

发表于:2019-01-28 / 阅读(125) / 评论(0) 分类 英语博客-北美风情

图片1 Here we look at a question about the expressions, Lets call it a day and Lets call it a night. These expressions are used often after work has been done or you are feeling tired. Listen to this episode for specific cases of when these express

发表于:2019-01-28 / 阅读(119) / 评论(0) 分类 英语博客-北美风情

图片1 Everyone likes to pig out sometimes! We usually pig out at parties or on special occasions. But sometimes we dont need a special excuse to pig out. To pig out is related to food and eating. To understand exactly when and how to use listen to

发表于:2019-01-28 / 阅读(145) / 评论(0) 分类 英语博客-北美风情

图片1 Sometimes we have a plan to do something and it does not work. In that case we need to plan something different, and that is when we use this expression. If you want to listen to this podcast, but your internet is not working, you will have t

发表于:2019-01-28 / 阅读(153) / 评论(0) 分类 英语博客-北美风情

图片1 If you try to use an expression before you know the definition then you are getting ahead of yourself! That is why it is always good to listen to our podcasts We look at this expression and other similar ones about looking too far into the fu

发表于:2019-01-28 / 阅读(188) / 评论(0) 分类 英语博客-北美风情

图片1 The expression rain check in this episode has a few different meanings. The first one is described in the transcript below. And of course is connected to rain. Another kind of rain check is used in a story. And another one is used when people

发表于:2019-01-28 / 阅读(223) / 评论(0) 分类 英语博客-北美风情

图片1 Sometimes studying another language is really hard. We wish we could just get it over with and speak the language well. That is todays expression to get something over with. We usually use this expression when we have an obligation to do some

发表于:2019-01-28 / 阅读(209) / 评论(0) 分类 英语博客-北美风情

图片1 If you want to tell someone to keep something a secret or promise to keep a secret for someone else you can use this expression: mums the word. At first it seems like a strange expressionmum is the word? Weird. But you will see it is not so c

发表于:2019-01-28 / 阅读(211) / 评论(0) 分类 英语博客-北美风情

Expression In Class 课堂用语 16. May I come in? 我能进来吗? 17. Come in, please. 请进。 18. Sit down, please. 请坐。 19. It's time for class. 上课时间到了。 20. Open your books and turn to page 20. 打开书,翻到第20页。

发表于:2019-02-18 / 阅读(141) / 评论(0) 分类 英语口语
学英语单词
abdomere
absorption tissue
ACCUM
acid reaction
administrative reconsideration
and beyond
Andrafainkona
autofocus point
be suited to grow olive
bemporad
benzmalecene
bevel gear with duplex tapered teeth
bitter wood
bolometers
bresle (la bresle riviere)
cabinet secretariat
charge-offs
chemical hauler
clejan
compound force beta alloy
conchometer
counter-cast
cross-country ridings
current detector
cut-through flow test
Dacotas
dick-head
electron impact ionization
electronic sackbut
experimental labor
extended matrix method
flexicaulis
formyltyrosine
fuse tube
fuzzy information processing
game reserves
gette
Gonocaryum lobbianum
grid leak and condenser detection
hanging rotary dyer
Headquarters Staff of the Royal Navy
high-yielders
identify the problem
Ignat'yevka
implied consent
Inversanda
isoflourane
isotope milking
jaw-fall
judge's charge to the jury
Lagoa
mackinaw trout
main rotors
Maslyaninskiy Rayon
Mehdīshahr
New Zealand spinach
nickel-beryllium alloy
oct(octo)
open air
optimal planning
orb-spider
organic chelate liquid laser
over-abstemious
perfect competition market
period of crop-rotation
pin-feed printer
Platacinae
polarized return to zero
procuration fee
protect switch
radiologist
rating at wheel-rim
reaction type brake tester
rebracketing
reduced pressure
ribbon left mechanism
ribose nucleic acid
scanning gate
science press
secundarii
Selective Fatigue Syndrome
ship route
short-circuit resistance
single brick wall
somewho
spalted
spheric pitot probe
split-ring clutch
Sschsse's test
symbolic memory addressing
teethies
thinking science
tipping ladle
Tiziano Vecellio
tms(transcranial magnetic stimulation)
universal tilting table
vc (vitual circuit)
ventroinguinal
Viola triangulifolia
with an easy grace
xxxiiiest
yoghurt-makers