电子束截面

Its five years old. 它五岁了 'Now remember boys and girls,' said the science teacher. 'You can tell a tree's age by counting the rings in a cross section. one ring for each year.' Tom went home for dinner and found they were having a jelly roll f

发表于:2018-12-18 / 阅读(59) / 评论(0) 分类 TED演讲国际问题篇

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(89) / 评论(0) 分类 不择手段背单词

1. Authorities in Utah say they found no signs of six trapped miners when they lowered a camera down to where they think the men are located. This is their second effort to make contact with the men. Yesterday a microphone was lowered down to a separ

发表于:2019-01-08 / 阅读(124) / 评论(0) 分类 美联社新闻一分钟2007

[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(249) / 评论(0) 分类 高中英语词汇

面对面的交流就是 face to face,许多人认为这样的沟通效果和电话上或网上联系是不一样的。 例句 I've been in touch with my niece, who was born in South America, for years but we have never met face to face. One way of

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 英语日常口语

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(146) / 评论(0) 分类 英美文化

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

发表于:2019-01-11 / 阅读(83) / 评论(0) 分类 VOA慢速英语2008(十)月

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(153) / 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(97) / 评论(0) 分类 英语情景对话-旅馆

A: I need my minibar restocked. B: Everything is gone, sir? A: There's not a drop left of anything. B: Is there anything in particular you'd like? A: Yes, the Perrier and the Jim Beam hit the spot. Let me have three more of each. B: Got it. Anything

发表于:2019-01-15 / 阅读(84) / 评论(0) 分类 英语情景对话-旅馆

A: Hi. My minibar is empty. B: You already finished off everything, sir? A: I finished off everything. B: Would you like anything in particular? A: The Perrier and the Jim Beam. Let me have three more of each. B: Beam and Perrier. Anything else, sir?

发表于:2019-01-15 / 阅读(85) / 评论(0) 分类 英语情景对话-旅馆

A: Hello! How do I restock my minibar? B: You've drunk everything, sir? A: I finished it all. B: Do you want the whole minibar, or just certain items? A: Send me up three bottles each of Perrier and Jim Beam. B: That's three Jim Beams and three Perri

发表于:2019-01-15 / 阅读(85) / 评论(0) 分类 英语情景对话-旅馆

A: My minibar is completely empty. B: Everything in that minibar has been consumed, sir? A: Everything's gone. B: Is there anything special you'd like? A: Just bring me three bottles each of Jim Beam and Perrier. B: Okay, sir. Three of each. Would yo

发表于:2019-01-15 / 阅读(89) / 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(58) / 评论(0) 分类 卡卡课堂早餐英语

It's time to bring total strangers together in a game we're calling Walk the Plank. 该把陌生人们聚到一起了 通过我们叫做走跳板的游戏 Alright let's find our contestants,Twitch you know who they are? - I do. 让我们的选手上台

发表于:2019-01-28 / 阅读(48) / 评论(0) 分类 艾伦脱口秀

1. 动词be的否定式 动词be根据不同的人称和时态可以有am, is, are, was, were等不同形式,可用作连系动词(表示是、在等)和助动词(用于构成进行时态和被动语态等),但不管何种情况,构成否定式时

发表于:2019-02-02 / 阅读(45) / 评论(0) 分类 实用英语

If you are someone who types a furious text message, only to reconsider and edit it before hitting send, you may be in trouble. The Beam Messenger app shows everything another person is typing in a text message as they type it. This means that if you

发表于:2019-02-06 / 阅读(51) / 评论(0) 分类 阅读空间

Pre-Listening Vocabulary observation: something that you see cross section: a view of the inside of something after a cut has been made across it hold true: remain a fact or truth even in other situations ideal: suitable sap: fluid (sugar and mineral

发表于:2019-02-08 / 阅读(284) / 评论(0) 分类 Facts-事实

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(90) / 评论(0) 分类 阅读空间

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(80) / 评论(0) 分类 经济学人科技系列
学英语单词
a plume of smoke
adjusted income
Alkilon
amblyopia crapulosa
ampere capacity
Anatomia clinica
antinepotistic
as free as the air
ASC (automatic sequence control)
bentched
Bonaparte, Mount
bottom dead center
box staff
break out friction
buffer storage hopper
callirhoe involucratas
card punch and reader
centipede sting
cerein
coccidologists
coextensiveness
counter rotating propellers
covit
daily valuation
DB, db
deutschemarks
dietellae
diffhse myelitis
disassemblers
drilling and screwing machine
egg-associateds
embers
energy eigenstate
eplerenone
fabric rope scouring machine
family umbelliferaes
file association
fishery genesiology
five flavors
flat counter
footage measurement of roadway
friction rub
funtion multiplier
give sb the cut direct
global data base
glycerinum acidi borici
guydi
have no head for sth
hunt clubs
in taste
inisling
interactive restructuring
jecca
jerboa
juarezs
Konyavska Planina
law of comparative judgement
learner's permit
low-weight
Magnoliales
main drive gear bearing oil slinger
melolonthoid
multifunctional robot
nailbombs
nasal angle of the eye
net payoff
non vults
nonpractitioners
North Atlantic Free trade
nuclear proliferation
one-goal
Paget's disease of vulva
percentage of success
perfervidly
phosphoacceptor
pigmented basal cell carcinoma
pressure signal
pressure-sensitive geophone
procedural error
puttying
Rapanea kwangsiensis
reader-awareness
real-time data reduction
rearward c.g. stalling speed
scaly winged
Sepher Torah
set of basic standards
short loan
side pull lay
sitting height
squab pie
stevinson
stopping signal
surface of action
ternately compound leaf
the Royal Military Academy
unconjunctive
vibrographs
virilio
wheest
white cow
wrawls