[化] 石蕊试纸
[医] 石蕊试纸
词型变化:名词复数形式 : litmus papers

litmus paper的用法和样例:

例句

用作名词(n.)
  1. Litmus paper turns red in the presence of an acid.石蕊试纸遇到酸就变红。
  2. We test the liquid for acidity with a strip of litmus paper.我们用一条石蕊试纸来试验这液体是不是酸性的。

Paper Planes I fly like paper, get high like planes If you catch me at the border I got visas in my name If you come around here, I make 'em all day I get one down in a second if you wait I fly like paper, get high like planes If you catch me at the

发表于:2018-11-29 / 阅读(226) / 评论(0) 分类 2015第87届奥斯卡

歌曲: Get that paper 艺人: Bow Wow 音乐星级: ★★★ 所属专辑: New Jack City II 发行年代: 2009 风格: Hip Hop 相关介绍: Bow Wow,原名Shad Gregory Moss,1987年3月9日出生在Ohio州的Columbus市。人称新千禧年嘻哈王子,天生就有当歌手的禀赋,饶舌技巧了

发表于:2018-11-29 / 阅读(326) / 评论(0) 分类 饶舌音乐

6. 将来完成时 Will have + 过去分词 By the time you are back this evening, I’ll have done all the work. By the time we get to their house, they will have finished____(finish) supper. (2003 上

发表于:2018-12-01 / 阅读(237) / 评论(0) 分类 自考英语(一)78讲

I did not take the temporary editorship of an agriculture paper without misgivings. Neither would a landsman take, command of a ship without misgivings. But I was in circumstances that made the salary an object. The regular editor of the paper was go

发表于:2018-12-06 / 阅读(246) / 评论(0) 分类 马克吐温最佳短篇小说

Strong writing is one of the most important skills for any college student. Many non-native English speakers have no idea what professors in the U.S. expect from a college paper. A college paper is a piece of writing than can be as long as 20 or more

发表于:2018-12-08 / 阅读(194) / 评论(0) 分类 2016年VOA慢速英语(十二)月

LULU GARCIA-NAVARRO, HOST: And now to another major battle. President Trump hasn't yet nominated a replacement for Supreme Court Justice Anthony Kennedy, but the fight over confirming that nominee has already begun. It's going to be intense and expen

发表于:2018-12-18 / 阅读(179) / 评论(0) 分类 2018年NPR美国国家公共电台7月

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 英文语法词汇

Carol: Mom, Dad, it's a very generous offer, but, I don't I don't need to look over the dorms of Boston College to...to convince me. I've already made my decision, and I know where I want to go next year...Columbia University, in near by and conveni

发表于:2019-01-08 / 阅读(207) / 评论(0) 分类 成长的烦恼第四季

M.I.A. Paper Planes I'll fly like a paper get high like planes If you catch me at the border I got visas in my name If you come around here i'll make em all day I'll get one done in a second if you wait I'll fly like a paper get high like planes If y

发表于:2019-01-10 / 阅读(140) / 评论(0) 分类 英文特辑精选

街头酷妹百变风格才女MIA顽皮单曲 Paper Planes 歌词: I'll fly like a paper get high like planes Catch me at the border I got visas in my name If you come around here i'll make em all day I'll get one done in a second if you wait Somet

发表于:2019-01-10 / 阅读(220) / 评论(0) 分类 英语说唱歌曲

Taking Steps Toward a Great College Paper Strong writing is one of the most important skills for any college student. Many non-native English speakers have no idea what professors in the U.S. expect from a college paper. A college paper is a piece of

发表于:2019-01-12 / 阅读(145) / 评论(0) 分类 2016年VOA慢速英语(一)月

I think paper is one of the best inventions ever. Without paper, we would all still be farmers. The discovery of paper was the start of the first information technology revolution. OK, its not very technological, but it did change our lives. We start

发表于:2019-01-21 / 阅读(146) / 评论(0) 分类 纯正英语一分钟

歌词如下: Take a piece of paper. Pick up your pencil. Draw a picture. Draw a pretty picture. Draw a tree... Show us your picture now! That's good! Take a piece of paper. Pick up your pen. Draw a picture. Draw a pretty picture. Draw a bird in th

发表于:2019-01-28 / 阅读(157) / 评论(0) 分类 英语儿歌274首

By Deepak Dobhal Washington 07 November 2007 Scientists in the United States have developed a new kind of battery that looks and feels just like a piece of paper. VOA's Deepak Dobhal reports its inventors say the battery's power and flexibility make

发表于:2019-02-05 / 阅读(148) / 评论(0) 分类 VOA常速英语2007年(十一月)

上次我们已经讲了两个由paper这个词发展而来的习惯用语,今天我们继续讲两个。千百年来人们书面交流必须依靠纸张。不论是报章杂志还是书籍文件用的都是纸。纸的功劳不可抹煞,然而近年

发表于:2019-02-06 / 阅读(194) / 评论(0) 分类 美国习惯用语

Rosie Thomas的声音听起来和Tori Amos很像,都是冰冷冰冷,空灵中透着不食人间烟火的邪气,不过这首歌虽然还是忧郁的调子,但是清新吉他的伴奏和半场的男声都让Rosie的声音变得多了许多小女生

发表于:2019-02-11 / 阅读(153) / 评论(0) 分类 天籁音乐

饶舌:Bow Wow - Get that paper 相关介绍 : Bow Wow,原名Shad Gregory Moss,1987年3月9日出生在Ohio州的Columbus市。人称新千禧年嘻哈王子,天生就有当歌手的禀赋,饶舌技巧了得(3岁时便能够进行说唱,并

发表于:2019-02-11 / 阅读(187) / 评论(0) 分类 节奏布鲁斯

今天我们要讲两个由paper发展而来的习惯用语。大家知paper是纸。Paper也可以作动词。例如在下面的习惯用语里:paper over。 Paper作动词的时候解释用纸复盖,所以paper over就是用纸遮掩什么了。

发表于:2019-02-16 / 阅读(206) / 评论(0) 分类 美国习惯用语

E-books read well, but readers prefer paper NEW YORK (Reuters Life!) - The number of people subscribing to newspapers may be shrinking as they flock to the Internet, but electronic book readers won't shred the market for ink, paper, glue and binding

发表于:2019-02-18 / 阅读(146) / 评论(0) 分类 阅读空间

BEIJING, Dec. 7 (Xinhua) -- The Chinese government on Wednesday released a white paper on its foreign trade, highlighting the country's achievements in boosting foreign trade and contribution to the world economy. The white paper, titled China's Fore

发表于:2019-03-02 / 阅读(1797) / 评论(0) 分类 英语新闻
学英语单词
adaptation of methods
airplane mother ship
amputated
arteriae interossea dorsalis
axis of hemimorphism
barley-corn weave
bodymaster
carcinoid spectrum
cautherne
chain folding
channel-fill deposit
chylified
cicutine
cloud archive
control rod lattice for criticality
crane's-bill
cross recessed head machine screw
cyclic flower
deposit in currency cocktails
desea
detector balanced bias
devolatilisation
display function
down cast
Egmond aan den Hoef
external interruption
EZSetup
female substance
fibrous-barite
fifo list
forged rail spike
genus Liparis
Guildford Four
halferty
Hallowtide
halogen mineral
Havel River
heard out
how are you fixed for sth?
HPLAC
hydraulically rough pipe
Indo-Aryan
ironie
irregular letter of credit
Konstanz
lagomorphs
learning-style
leave
line activities
lingualis externus perpendicularis
Loring Air Force Base
maculutea
mannikin (europe)
many a time
martyrium
micropumps
Mildex
mixed-flow wheel
mold venting
monkey boat
motor starting characteristic
mountee
Namikata
nonprivy
object spectrum characteristics
odd-even bit
order armss
oxygenises
parenchymal vesicle
petro
polyrhythmic
prefork
radio-frequency voltage
Salix fulvopubescens
Salvia sclarea
Sargassum aquifolium
senses of movement
sequentiary
SFU
sheelite
single-range
sitti
slenderest
sodium benzoate
soldering fluxes
source of particulate matter
stand-by time
standard package
standard reaction condition
streptolysin-O
striae gravidarum
tactical transport aircraft
Tamalea
term end valuation
topping lift bull rope
toutology
transport tensor
tranylcypromines
understructure
unique culture
unstocked blanck
vitiated by a fundamental flaw