[医] 镭管

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(93) / 评论(0) 分类 动物街64号 Zoo Lane 第一季

[00:42.81]Lesson 1 1 Dialogue [00:48.46]Four doctors are at a medical conference. [00:53.32]A:Which speech are you going to listen to this afternoon? [00:58.36]B:I haven't decided.There's a talk on cancer that might be quite interesting, [01:05.23]so

发表于:2018-12-13 / 阅读(177) / 评论(0) 分类 高中英语人教版高三

[00:02.25]第一单元 居里夫人 [00:04.49]Lesson 1 [00:05.97]第一课 [00:07.44]1 Dialogue [00:09.21]1 对话 [00:10.97]Four doctors are at a medical conference. [00:13.34]四个医生在医学会议上 [00:15.70]A:Which speech are you going to

发表于:2018-12-13 / 阅读(194) / 评论(0) 分类 高中英语人教版2000年高三

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(63) / 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(84) / 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(79) / 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(111) / 评论(0) 分类 Scientific American(九)月

玛丽居里(Marie Skłodowska Curie,1867-1934年)世称居里夫人,全名:玛丽亚斯克沃多夫斯卡居里。 法国著名波兰裔科学家、物理学家、化学家。1867年11月7日生于华沙。 1903年,居里夫妇和贝克勒

发表于:2018-12-29 / 阅读(61) / 评论(0) 分类 英语名人堂

Marie Curie was born in 1867. She is one of the greatest scientists ever to have lived. She was a pioneer in the field of radioactivity and discovered the chemical elements radium and polonium. Curie is the only person ever to win two Nobel Prizes in

发表于:2019-01-01 / 阅读(133) / 评论(0) 分类 各国名人英文介绍

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(164) / 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(156) / 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(77) / 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(98) / 评论(0) 分类 原版英语对话1000个

[00:39.99]1.Is it a good conference this year? [00:44.75]No,not as good as last year's. [00:50.81]2.Do you think speaker D will go to listen to a speech? [00:58.17]No,he's not going to any speech. [01:03.32]Instead,he's going out for a walk. [01:29.8

发表于:2019-01-10 / 阅读(216) / 评论(0) 分类 高中英语人教版高三

Today the U.S. government keeps an eye on health and safety in the workplace. But that wasn't always the case. Americans workers can thank a little-known factory worker for sparking the sweeping changes that now protect them on the job. Worker traged

发表于:2019-01-14 / 阅读(111) / 评论(0) 分类 VOA标准英语2011年(一月)

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(147) / 评论(0) 分类 美国习惯用语

MARY LOUISE KELLY, HOST: In the early days of the 20th century, radium factories in New Jersey and Illinois employed mostly women to paint watch faces and clock faces with luminous paint. The paint got everywhere - hair, hands, clothes. They were cal

发表于:2019-01-17 / 阅读(157) / 评论(0) 分类 2017年NPR美国国家公共电台4月

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(72) / 评论(0) 分类 英语听力文摘 English Digest

Marie Curie was born in 1867. She is one of the greatest scientists ever to have lived. She was a pioneer in the field of radioactivity and discovered the chemical elements radium and polonium. Curie is the only person ever to win two Nobel Prizes in

发表于:2019-02-19 / 阅读(88) / 评论(0) 分类 世界名人简介

Steve: Hi, this is Steve. I'm going to talk about Japanese Onsen. Onsen is like a public bath, where men go, or women, in separate areas of course, and enjoy very hot baths. I like it very much because it's very relaxing and it's very healthy. They h

发表于:2019-02-24 / 阅读(87) / 评论(0) 分类 英语趣味课堂
学英语单词
absorbing boom
acidified hot-process syrup
active attack
Alexanderson's alternator
antidrift spring
Arnaudon's green
asparagine (asn or n)
back-pack
ballast control panel
Barker's post-partum pills
bear the brunt of
Bothynoderus punctiventris
brick-like
Browser history
Burdiehouse limestone
catch a ball
central system module
chromatize
coerce sb. doing sth.
confined laborer
construct a definition of
Container Time Insurance
cystic bronchocele
cytoablative
ddis
density control valve
disseverments
distribution block
dock-charges
drudger
E-E reaction
Edwin Powell Hubble
electronic picture insertion
exprobrates
external element
factoring companies
factory burden cost
family Mylodontidae
fast neutron fission effect
ferrous acid
foil, copper
general agreement on tariffs and trade (gatt)
glandulae paraurethrales
go dead
group lump
gulland
Hilton doctrine
intraperitoneal
jammed with
jetomic
jonnies
linear equalizer
linear measurement
lump absorbent
made a face
Mangueigne
Mexicanizations
Mucuna cyclocarpa
natural mortality coefficient
nikau
number-letter
nuus
odd functions
on-off control
one's old dutch
organization of central american states
oropharyngeal membrane
outside wall
over-coil
penicillamine-induced atrophy
photoanodes
piezoelectric hysteresis
proof-plane
pteris linearis poir.
put one's foot on the neck of someone
radices sarsaparillae
raein
relative valency effect
reptiliform
Rh antiserum
roughing loam
royal colony
safety lane
Sappada
Senduruhan
shabu
shangtu
Skyllberg
spicaria araneae
stone staircase
suppressed contraction
synovial tufts
take the time
tent rock
thermal barriers
time reference navigation
Trading Channel
turbulent resistance
ultraregular space
value-adding
visceral cavity (coelom)
wheel cylinder inlet connection gasket