振动模式

Model Test 4 Section A [00:03.53]1. M:It doesn't make any sense to go home for spring vacation now. [00:08.72]W: That's right. [00:09.69]Especially since you'll be graduating in May. [00:12.88]Q: On what did the two speakers agree? [00:16.30]2.Shall

发表于:2018-12-01 / 阅读(326) / 评论(0) 分类 决胜六级英语听力

Section A Short Conversation [00:04.78]1.It seems to me that there is no need to have a screen on the door in the winter [00:12.04]We usually put it on in summer, don't we? [00:16.90]The only reason for having a screen on the door is [00:21.94]to kee

发表于:2018-12-01 / 阅读(276) / 评论(0) 分类 决胜六级英语听力

Section A [00:01.23]1. M: May I take the tape out. [00:03.50]I need it to practise my English for Dr.Tedder's listening class. [00:07.65]W: Well,I am afraid not. [00:07.76]The tape has been put on reserve by Dr.Tedder. [00:11.05]If you have his writt

发表于:2018-12-01 / 阅读(271) / 评论(0) 分类 决胜六级英语听力

Section A [00:02.90]1. M: We've got 34 on the list so far [00:08.75]but I'm sure it'll be up in the forties before we finish. [00:13.90]W: Well,in that case a sit-down dinner is out of the question. [00:19.15]It'll have to be a buffet. [00:22.80]Q: W

发表于:2018-12-01 / 阅读(251) / 评论(0) 分类 决胜六级英语听力

Section A 1.M:Congratulation [00:04.88]You certainly did quite well and I must say you deserve that grade. [00:10.63]W: Well,I really studied hard for that exam. [00:15.36]I've been prepared for it for more than a month. [00:19.83]Now I can relax for

发表于:2018-12-01 / 阅读(261) / 评论(0) 分类 决胜六级英语听力

Section A [00:02.90]1.M:You should never strike up a conversation with a man on the street. [00:08.65]Don't you know how dangerous it is! [00:12.49]W: I usually don't [00:15.75]but I couldn't find the restaurant and he looked very respectable. [00:21

发表于:2018-12-01 / 阅读(318) / 评论(0) 分类 决胜六级英语听力

Section A Short Conversation [00:04.99]1. M:You're a wonderful cook,Ann. [00:09.64]Everything is so good. [00:12.98]W: Glad you like it. [00:15.91]I didn't do all of these dishes,though,Linda helped me. [00:21.45]Q: Who did all of the dishes? [00:24.

发表于:2018-12-01 / 阅读(316) / 评论(0) 分类 决胜六级英语听力

Section A [00:01.28]1. W: I can't figure out what's wrong with my tape-recorder. [00:04.78]It was just a few weeks ago that I got it repaired. [00:08.25]M: Don't waste your time and money any more. [00:10.81]It's a very old tape-recorder and is quite

发表于:2018-12-01 / 阅读(267) / 评论(0) 分类 决胜六级英语听力

Section A [00:02.90]1.W:You've heard my report. Are there any comments? [00:07.94]M:On the whole,I agree with what you said. [00:12.20]But your last point about putting on a play doesn't seem to be very practical. [00:18.55]How can we put on a play w

发表于:2018-12-01 / 阅读(332) / 评论(0) 分类 决胜六级英语听力

Section A [00:01.25]1. M: Could we drop by the office for a minute. [00:04.28]I have a report which I want to check on before supper. [00:07.47]Of course.I have a lot of time and I'm interested to see what you are working on any way. [00:14.37]Q: Wha

发表于:2018-12-01 / 阅读(303) / 评论(0) 分类 决胜六级英语听力

Section A [00:01.78]1. M: Excuse me,but I didn't hear clearly what you said. [00:07.92]Did you say that we did not have to hand in our exam papers? [00:11.83]W: No, I said that my teaching assistant would collect the papers while I'll grade them myse

发表于:2018-12-01 / 阅读(299) / 评论(0) 分类 决胜六级英语听力

by Jason Marshall In recent articles, weve talked about two methods of calculating average values, the mean and the median, and weve talked about some everyday uses for them such as how to use median averaging to get better photos. But thats not all

发表于:2018-12-07 / 阅读(216) / 评论(0) 分类 数学英语

Now, coumarin is a very common thing, a material, in fragrance which is derived from a bean that comes from South America. 香豆素是香水中一个十分平常的原料,从来自南美的豆子中提炼出来的。 And it is the classic syntheti

发表于:2018-12-19 / 阅读(131) / 评论(0) 分类 TED演讲教育篇

And...but...but...we have to go a little beyond that. 我们需要进一步深入。 Now let me explain why vibrational theory has some sort of interest in it. 现在我来解释为什么震动理论有一定的道理。 These molecules, as you saw i

发表于:2018-12-19 / 阅读(132) / 评论(0) 分类 TED演讲教育篇

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何,我最终得到了一些硼烷,这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

发表于:2018-12-19 / 阅读(168) / 评论(0) 分类 TED演讲教育篇

And every single part of this mechanism is actually plausible in biology. 实际上,这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲,我

发表于:2018-12-19 / 阅读(105) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

发表于:2018-12-24 / 阅读(177) / 评论(0) 分类 Scientific American(十)月

Pre-Listening Vocabulary switch: move to a different position Wi-Fi: a wireless network that provides Internet connection Bluetooth: a trademarked name for a short-range wireless connection for computerized devices GPS: global positioning system, a s

发表于:2018-12-28 / 阅读(172) / 评论(0) 分类 趣谈英语

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 Description: Race around the bedroom in training or arcade mode.

发表于:2019-01-08 / 阅读(246) / 评论(0) 分类 Daily Free Games

如果你要暂时逃离这个世界,与世隔绝,暂时不想和熟人接触,你可能会不接电话,不带手机,不上社交网站。通常是因为和恋人分手或者是工作不顺。 今天要介绍的俚语是airplane mode,用来形

发表于:2019-02-09 / 阅读(180) / 评论(0) 分类 美国俚语
学英语单词
a double - edged sword
acetylcytidine
agnolin
aircraftsmen
an ends
Anschutz gyro compass
arctic floral region
atomic mine
ball-bearing pulverizer
brake locomotive
cadams
ceiling mounting
checking relay
cinephone
circumferential prestressing tendon
class a/b certification
CMFB
configured
coordinate ring of a variety
crossing file
Cryogel
Dermoval
dimorpha
disturbed-periodicity model
Dracocephalum
driving roll
duo-diode
eggcrated
false setting
family anatidaes
flood erosion
floride
frequent-flier
garden hoses
general affair department
gropable
guided-missile control
Hasekura
have a good brain
high center of gravity
high pressure surge
hot-pressed elbow
hybrid beam
hypertension activator
Ilin I.
inner group fluxes
intelligence-gathering
Intertendineal
Isopropylphenyladenosine
jaromir
Katarchean
kawali
Klein Rönnau
korean-made
logical predecessor
lot goods
low ball
ltwa
media hub
Mittelstreifen
motala
mustard powder
national information infrastructure (nii)
net-import
nylon 612
off her game
partial disturbed response voltage
pectoral branches
pen-type graver
phosphorus removal
pornographically
portolans
potentiometry
Primula hypoleuca
private profit
red alarm light
redargution
retorqued
rigouristic
Robertson's pupil
scombron(e)
sewee
short seas
shoulder-pegged
sliding scale
slushing
speculated
spooled instruction
starting data address
Sugar Valley
tailshaft governor
taxeme
transfer of financial resources
triticum dicoccums
turbidimetric titration
ultra high strength steel
ultramicrotomies
voff
water sorption curve
wobblinesses
wout