[医] 滤菌器, 细菌滤器

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(639) / 评论(0) 分类 新概念优美背诵短文50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(303) / 评论(0) 分类 新东方背诵文选

[00:00.00][s],[ ][ ] [00:38.61]sea/sheet/chicken [00:42.66]Exercise One: Word Conparison [00:47.62]Listen to the following words from your tape and repeat. [00:52.98]sip ship sane shane watched washed [01:01.23]lass lash least leashed chin [01:09.09]

发表于:2018-12-03 / 阅读(324) / 评论(0) 分类 掌握英语发音

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-04 / 阅读(223) / 评论(0) 分类 英文魔法师字源大挪移

IN THE NEWS - John Kerry Chooses John Edwards for Vice President By Cynthia Kirk Broadcast: Saturday, July 10, 2004 This is Bob Doughty with In the News, in VOA Special English. The Democratic Nationa

发表于:2018-12-07 / 阅读(241) / 评论(0) 分类 教育与新闻

Prisma App Makes Art Out of Photos Pokmon GO is the most popular app in the world right now. But another new app is also getting a lot of attention. And its free. Prisma lets users add filters to photos to interesting, beautiful and strange effect. T

发表于:2018-12-08 / 阅读(232) / 评论(0) 分类 2016年VOA慢速英语(七)月

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

发表于:2018-12-11 / 阅读(232) / 评论(0) 分类 365个英语简短小故事

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(221) / 评论(0) 分类 2018年VOA慢速英语(一)月

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(200) / 评论(0) 分类 VOA常速英语2008年(二月)

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(338) / 评论(0) 分类 2015年VOA慢速英语(七)月

A: You dont look so good. B: I have a major stomachache A: Did you eat something strange? B: I had spaghetti with clam sauce for lunch. A: Maybe you have food poisoning. B: Yes, that could have been it, but I havent been feeling that great for the pa

发表于:2019-01-15 / 阅读(217) / 评论(0) 分类 英语情景对话-健康

[0:0]feedback female fertile fertilizer反馈,反馈信息 雌的,女性的 肥沃的,富饶的 肥料 [1:25.7254]festival fiber fiction fierce节日,喜庆日 纤维 小说 凶猛的,残酷的 [2:12.0330]file filter finally finance档案,文件 过滤器,过滤咀 最后,终于 财政,金融 [3:1.05

发表于:2019-01-16 / 阅读(241) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

Science and Technology 科技 Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌,而不单单是排除细菌 MORE than a billion peopl

发表于:2019-01-26 / 阅读(193) / 评论(0) 分类 经济学人科技系列

By Kurt Achin Seoul 25 February 2008 The former Seoul mayor who swept December elections in South Korea is getting used to his new title: Mr. President. Lee Myung-bak has taken his oath of office in a formal ceremony in the South Korean capital. VOA

发表于:2019-01-31 / 阅读(240) / 评论(0) 分类 VOA常速英语2008年(二月)

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(268) / 评论(0) 分类 2007年VOA标准英语(五月)

今天我们要学的词是 pre-order. Pre-order 预购。iPhone5问世了。The iPhone5 went on pre-order just after midnight Pacific time last Friday. iPhone5 于美国西部时间上星期五凌晨12点一过开始预售。Roughly one hour after t

发表于:2019-02-04 / 阅读(243) / 评论(0) 分类 英语单词荟萃

Just as a clam came out to bask in the sun a snipe pecked at its flesh.The clam closed its shell and squeezed the snipe's beak.If it does not rain today and it does not rain tomorrow,you will be a dead clam,said the snipe.If you cannot free

发表于:2019-02-05 / 阅读(256) / 评论(0) 分类 趣味英语

1. You don't have to see each other every day. 你们不必每天都见面。 If you can, then why not? But you don't have to nag each other about you or your partner coming over just because you haven't seen a glimpse of each other for the day (yet)

发表于:2019-02-06 / 阅读(238) / 评论(0) 分类 实用英语

Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌,而不单单是排除细菌 MORE than a billion people lack clean waterand in most

发表于:2019-02-17 / 阅读(205) / 评论(0) 分类 经济学人综合

Good-bye my Fancy! Farewell dear mate,dear love! I'm going away,I know not where, Or to what fortune, or whether I may ever see you again, So Good-bye my Fancy. Now for my last-let me look back a moment; The slower fainter ticking of the clock is in

发表于:2019-02-26 / 阅读(387) / 评论(0) 分类 阅读空间
学英语单词
acacia syrup
access road
approval letter
attitude measurement system
availability status code
average unit price
balkman
bas - relief
bedales
beta-gamma power
Bougainvillea glabra
centractin
Ceratomyxa
chemoceptors
Chilton
chromatomap
clopidol
cold upsetting
continuous-echo
countertrader
crits
dab hand
decremeter
dominance relationship
dossiers
edifying
EPT port
event trigger
fancyings
fast hardening concrete
focusing electrode
for no apparent reason
half birthdays
Hard page break
haydars
hectovolt
high-latitude spot
high-vacuum pump
incisurae interarytaenoidea
inverting terminal
isometric coordinates
Lands End
lesaths
Lidingö
long focal length lens
lumber dump
magnetic conductance
make our bread
metacentric method
mfp
microdispersions
Military Intelligence Section 6
Ministry of Health
mother-current
negative number
Nicholas V
nickel sulfate
nitratite (nitratine)
non-entres
nose-rider
Octalox
opens onto
pant leg
parelius
pcsr
percentile scale
peripneumonia notha
Phyllospermae
pilandite
Port Hawkesbury
press shell
propelling power deduction
prophet
radio-frequency unit
real-time debug routine
reality of laws
red-oak
reverse Ackerman
scram exhaust valve
semen theobromatis
short-stories
simple sedimentation
singular points
slave program
sliding carbile
sliprope
ST_changing-and-not-changing_mixing-and-mixtures
Stony County
storage in electronic data-processing
street betting
stretch receptors
sugarrefiner
Talembote
tender brake gear
tentorial pits
three-dimensional sphere
three-necked distilling flask
user coordinate
varicated
wild cassava
Win.
zaydehs