分子束磊晶

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(181) / 评论(0) 分类 Scientific American(四)月

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(203) / 评论(0) 分类 不择手段背单词

by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Todays epis

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Xylitol is a wood sugar that I've been using for a few years. It has many benefits. A dentist friend(1) told me that because its molecular structure(2) is different to normal sugar, plaque bacteria cannot absorb it; they try to, but they can't. Becau

发表于:2019-01-01 / 阅读(211) / 评论(0) 分类 英语博客 A cup of English

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(214) / 评论(0) 分类 Scientific American(十)月

[00:00.00]change one's mind anyhow argument misunderstanding [00:05.09]改变注意 ad.不管怎样 n.辩论 n.误会,误解 [00:10.19]ashamed Cincinnati counter disappointment [00:14.72]a.惭愧,害臊 n.辛辛那提(美国城市) n.柜台 n.失望;

发表于:2019-01-08 / 阅读(394) / 评论(0) 分类 高中英语词汇

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(268) / 评论(0) 分类 英美文化

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(292) / 评论(0) 分类 美国习惯用语

A: I'd like to order a restock on my minibar. B: You finished everything in there, sir? A: Absolutely everything. B: What would you like to order? A: Three bottles each of Perrier and Jim Beam. B: Uh-huh. What else do you want? A: The apples were gre

发表于:2019-01-15 / 阅读(225) / 评论(0) 分类 英语情景对话-旅馆

smirk vi.傻笑; 假笑着说; grin v. 露齿而笑,咧着嘴笑 beam vi. 照射;堆满笑容 laugh v.哈哈大笑 register vt.表示,表达; (感情) 流露; 如果单纯从中文的翻译还是很难深刻理解这几种笑的不同,可以

发表于:2019-01-17 / 阅读(189) / 评论(0) 分类 卡卡课堂早餐英语

1.poker face 面无表情的人 例如: I never know whether my boss likes my work or not -- he is a real poker face! 我从来也不知道我的老板到底喜不喜欢我的工作。他脸上可真是一点表情都没有。 2.The shoe is on the

发表于:2019-02-09 / 阅读(221) / 评论(0) 分类 阅读空间

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学英语单词
abarticular gout
aeschynanthus
alguno
alt.h., alt.hor.
angry bird
antitypical
artillerymen
as long as one's arm
bad-mouth someone
bark-stripping machine
bed ... out
Bethlehem
binocular fusion
bird nest
booking space
brosh
carboholic
center-pivot irrigation
charge heater
complete a contract
cut someone in
Dawadawa
depart to
draught lever
driving sleeve
electric component
electro arc depositing
electrostatic cathode ray
emulator trap
ericalin
false truffle
feather-edge saw file
flood region
functional correlation
Ganglia autonomica
give a good account of oneself
glossophaga soricina
heel side
high supercharged engine of low compression ratio
hoary plantains
hodler
Hyalellidae
hydrocarbon reforming cell
immediate apprehensions
indianapoliss
interior height
JCB
Kellogg, Frank Billings
khellactone
koufax
Krnov
Kǒnsan-ri
ladle turret
ling p'o wu
lomariopsis leptocarpaf'ee
make a survey of
make up oil
marine resources chemistry
medium language
mephitismus
moderating solution
multi bucket trench digger
non positive metric
OK's
orchestralist
overwhipping
ozonising
panphagia
periers operation
phantastron delay circuit
poling board
present at court
Puerto Alegre
quiller-couches
radial flow pump
random signal
random-image
replacement therapy
resurrector
roll sensing accelerometer
rusticator
Sangro, L.di
sarotherodon niloticus
space magnetic field
state expenditure
state of the ground
steering damper
stratifiable
Thizy
three-strand continuous casting machine
tilt pouring
Toromycin
turbarian
unhelp
Usmānwāla
Viola orientalis
Vladimiro-Aleksandrovskoye
vortex density
water-thermometer dash unit
West Bengal
yielding parry
Youkounkoun, Rég.Adm.de