(test-tube 的复数) a. 在试验管中作成的, 人工授精的
[化] 试管; 试验管
plural of test-tube

Dad, Can You Tell Me How to Get Rich? My dad put down the evening paper. Why do you want to get rich, son? Because today Jimmy's mom drove up in their new Cadillac, and they were going to their beach house for the weekend. He took three of his frien

发表于:2018-12-06 / 阅读(97) / 评论(0) 分类 动物街64号 Zoo Lane 第一季

TERMINAL TEST Part I Listening Comprehension (15 minutes) Directions: This part is to test your listening ability. It consists of 3 sections. Section A Directions: This section is to test your ability

发表于:2018-12-07 / 阅读(163) / 评论(0) 分类 当代考试

TERMINAL TEST Part I Listening Comprehension (15 minutes) Directions: This part is to test your listening ability. It consists of 3 sections. Directions: This section is to test your ability to give p

发表于:2018-12-07 / 阅读(151) / 评论(0) 分类 当代考试

TERMINAL TEST Part I Listening Comprehension (15 minutes) Directions: This part is to test your listening ability. It consists of 3 sections. Directions: This section is to test your ability to give p

发表于:2018-12-07 / 阅读(173) / 评论(0) 分类 当代考试

TERMINAL TEST Part I Listening Comprehension (15 minutes) Directions: This part is to test your listening ability. It consists of 3 sections. Directions: This section is to test your ability to give p

发表于:2018-12-07 / 阅读(157) / 评论(0) 分类 当代考试

TERMINAL TEST Part I Listening Comprehension (15 minutes) Directions: This part is to test your listening ability. It consists of 3 sections. Directions: This section is to test your ability to give p

发表于:2018-12-07 / 阅读(159) / 评论(0) 分类 当代考试

[00:06.64]You will hear part of the orientation in which Annie is shown [00:12.75]the College's Physical Education facility. [00:17.84]For each of the questions numbered 33 to 40, [00:23.43]circle the letter A if the statement is accurate, [00:28.84]

发表于:2018-12-11 / 阅读(271) / 评论(0) 分类 最新版雅思听力指南

By Paul Sisco Washington D.C. 24 January 2008 Wing Power, wave power, people power. Italian inventor Lucien Gambarota tries to capitalize on all three. VOA's Paul Sisco explains in this week's Searching for Solutions report. Lucien Gambarota is a vis

发表于:2018-12-16 / 阅读(110) / 评论(0) 分类 VOA标准英语2008年(一月)

Lesson 97 The Body 第97课 人体 If you wish to keep your body healthy, you must learn something about its inside as well as about its outside. 你想要有一个健康的身体, 那就不仅需要了解它的外部结构, 更要明白它的内在构

发表于:2018-12-18 / 阅读(65) / 评论(0) 分类 英国学生科学读本

插座、插头和其它连接物(电器连接) Sockets, plugs and other contacts [electric connections] 插头、插座及其他接触器(电接头) Plugs, sockets and other contacts [electric connections] 表面覆有带电导体的玻璃 Glass

发表于:2018-12-18 / 阅读(85) / 评论(0) 分类 英文语法词汇

Bottled water companies often brag about the purity of their drinks. Just imagine if they found a water source that's been cut off from the outside world for well over a billion years. Well, scientists have discovered just that, in isolated reservoir

发表于:2018-12-24 / 阅读(84) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(113) / 评论(0) 分类 Scientific American(九)月

Elon Musk's Hyperloop is getting its first working test track When Elon Musk, the PayPal billionaire, announced his plans for a near-supersonic transport system of passenger capsules levitating inside tubes it sounded like science fiction. Now the co

发表于:2018-12-28 / 阅读(65) / 评论(0) 分类 英语PK台

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(168) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 Scientific American(四)月

drain作名词的时候可以指下水道。看见go down the drain这个习惯用语,你头脑里可能会出现这样的情景:有个人在洗澡的时候不小心把手上的钻戒滑落到浴缸排水孔里,在他还没来得及作出反应的

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 美国俚语

Todd: OK so, here we go, now Terry you were saying that you went from Vancouver to San Diego. How many days did that take? Terry: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back so 40 days on t

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 原版英语对话1000个

我们前两次讲了几个带有up这个词的习惯用语。今天要讲的习惯用语却都有和up相对的词: down。 Down这个词最常用的解释是往下。 比方说在今天要学的第一个习惯用语里:go down the drain。 Drai

发表于:2019-01-14 / 阅读(149) / 评论(0) 分类 美国习惯用语

类缘何而来?猩猩?还是猿?要追溯到更远的话,应该是单细胞生物吧! 纳尼!还不对? 那究竟是什么呢? 今天的节目将为您讲述生命的起源 Life Traces in Lava Don: Can I ask you something, Ya?l? Ya?l

发表于:2019-01-26 / 阅读(74) / 评论(0) 分类 英语听力文摘 English Digest

LONDON, May 9 (Xinhua) -- LOCOG president Seb Coe hailed the London Prepares series a success as the final London 2012 test event - the London Disability Athletics Challenge - concluded, signalling the end of 42 events. In less than 12 months, LOCOG

发表于:2019-02-18 / 阅读(127) / 评论(0) 分类 英语新闻
学英语单词
acetylserotonin
acrolein oxidation
alaska standard times
anthropogenic discharge
art students
auricular tachyrhythmia
authenticism
azimuth drive motor
baboon
BDW
beamwork
beforsite
believer
belly-flaught
Bengalese finch
bould-
brick baffle
Campobasso, Prov.di
Carr
chance fork
charge and discharge account
Choerospondias
cocoboloes
coin changer
create a new attitude for doing things
cresorcyl
demolition of property
differentiable group
digital channel
dow jones news/retrieval service
ecological successions
excess interest
flinch one's glass
flood absorption
flying source
genus triceratopss
grooming ritual
IAIC
igovomab
impalement
impulsive measurement
income benefit insurance policy
individualist anarchist
induction flux
jewett
Kreuzbergite
liver microsome
long stroke steam engine
lung-likest
metaphysical blueprint
minimum error potential method
mizlers
multiple batch extraction
Namang
natica lurida
network partitioning
nok
nonlinear wave particle resonant effect
nonoic
North Freedom
obtainance
overthreshold
pitch-tree
pneumo-electrical convertor
polycistronic mRNA
prebaits
probationary ward
random-access videodisc
recording psychrometer
remanent magnetic induction
revome
route switch
Samscretan
scutcher lap
self-anti dual function
Sequential Couleur avec Memoire
simple straightforward instruction
skap
spidas
spindle mower
stock company
stop lights
the Great Divide
thermal beam
thermal generator set
touze
trabboches
transverse segmentation
triable
trim overhead expense
ultra shortwave
unbalance force
ungartered
unpremeditated homicide
unterman
urped
wabi
wangle business records
wire rope lay
woodfired
work paperss
workpapers