声学变量

[0:0]urban城市的 [0:32.7921]urge urgent utility utilize鼓励,激励 紧急的,急迫的 功用,效用 利用 [1:11.2978]utmost vacant vacuum vague极度的,最大的 未被占用的,空着的 真空 含糊的,模糊的 [1:52.9962]vain valid vanish variable徒劳的,无效的 有效的,

发表于:2018-12-05 / 阅读(418) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Can you name those notes? Probably not. Perhaps one in ten thousand speakers of European languages has perfect pitch - the ability to recognize a note without having hea

发表于:2018-12-24 / 阅读(357) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(323) / 评论(0) 分类 Scientific American(五)月

第一句:Mr.Smith, Mr.Brown of DEF Computer Company is on the line. 史密斯先生,DEF电脑公司的布朗先生找您。 A: Mr. Smith, Mr. Brown of DEF Computer Company is on the line. 史密斯先生,DEF电脑公司的布朗先生找您。

发表于:2018-12-26 / 阅读(325) / 评论(0) 分类 天天商务口语

第一句: The new type of bicycle designed by our engineer is very ingenious and practical. 这款新型自行车是由我们的设计师自行研究的。很独特也很实用。 A: The new type of bicycle designed by our engineer is very ingenio

发表于:2018-12-26 / 阅读(303) / 评论(0) 分类 天天商务口语

第一句:Mr.Smith, Mr.Brown of DEF Computer Company is on the line. 史密斯先生,DEF电脑公司的布朗先生找您。 A: Mr. Smith, Mr. Brown of DEF Computer Company is on the line. 史密斯先生,DEF电脑公司的布朗先生找您。

发表于:2018-12-26 / 阅读(370) / 评论(0) 分类 天天商务口语

第一章 练习13:重读方式 Exercise 1-13 Variable Stress Exercise 1-13: Variable Stress Notice how the meaning of the following sentence changes each time we change the stress pattern. You should be starting to feel in control of your sentence

发表于:2018-12-27 / 阅读(376) / 评论(0) 分类 美式英语正音训练

27. Reform has been vigorously opposed, perhaps most egregiously in education, where charter schools, academics and merit pay all faced drawn-out battles. 【分析】复合句。句子主干为 Reform has been...opposed...。where 引导非限定性定

发表于:2018-12-30 / 阅读(379) / 评论(0) 分类 考研英语长难句讲解

Scientists analyzed around 2,500 of those calls, and found that the second part (sound) is nearly identical in pitch every time from each whale: 16 hertz, or four octaves below middle C. And the slight variations in frequency that do exist are only a

发表于:2019-01-02 / 阅读(411) / 评论(0) 分类 60秒科学

Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov

发表于:2019-01-02 / 阅读(343) / 评论(0) 分类 60秒科学

Can you name those notes? Probably notperhaps one in 10,000 speakers of European languages has perfect pitch, the ability to recognize a note without having heard any reference note first. But theres a much better chance you could successfully name

发表于:2019-01-02 / 阅读(368) / 评论(0) 分类 60秒科学

If you ever got picked on in the schoolyard, you might have wished for some sort of superpower: like unbeatable speed or maybe just the ability to completely disappear. Now scientists at the College of Wooster in Ohio say that you might have had a s

发表于:2019-01-02 / 阅读(371) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

发表于:2019-01-08 / 阅读(334) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

发表于:2019-01-08 / 阅读(309) / 评论(0) 分类 Scientific American(五)月

We humans are pretty good at communicating with sounds other than words. But how much of this is hard-wired, and how much do we pick up from others? To find out, researchers recorded the nonverbal sounds of people born deaf, as they responded to a ra

发表于:2019-01-08 / 阅读(397) / 评论(0) 分类 Scientific American(十一)月

Blue whales off the California coast make calls that, sped up 10 times, sound like (sound of two-part call). The original is a wall-rattling frequency too low for us to hear. Scientists analyzed around 2,500 of those calls, and found that the second

发表于:2019-01-08 / 阅读(289) / 评论(0) 分类 Scientific American(八)月

Country Music Ladies Put Men in Their Place American country music lyrics often describe women as they might appear in mens dreams. This is especially true of songs by many male artists. But the songs by Maddie Marlow and Tae Dye are different. The t

发表于:2019-01-12 / 阅读(345) / 评论(0) 分类 2015年VOA慢速英语(九)月

The Tiangong-2 space lab, though adopting the structure of Tiangong-1 without too many changes in appearance, has been designed to function much stronger than its predecessor. Zhu Congpeng, chief designer of the lab, says they've focused on a variety

发表于:2019-01-19 / 阅读(340) / 评论(0) 分类 2016CRI中国国际广播电台

SYDNEY, Feb.4 (Xinhua) -- The Commonwealth Bank of Australia ( CBA) is the first of Australia's big four banks to pass on the central bank's interest rate cut to home loan customers. The Reserve Bank of Australia cut interest rates by 0.25 percent on

发表于:2019-02-05 / 阅读(359) / 评论(0) 分类 英语新闻

通知与确认 Acknowledgments Confirmations 通知对方接到来信Acknowledging receipt of letters1. Dear Mr/Ms,Thank you for your letter No. A-3 of 6th May, offeringus 6 UI-4 Viewdatas. We have passed it on to ourTechnical Department for their c

发表于:2019-02-06 / 阅读(365) / 评论(0) 分类 实用英语
学英语单词
.dj
absentia
adjustable tripod
AG quadrupole
anthonomus grandiss
antiknock agent
aryl lithium
auxiliary fuel tank
B-UGT
barking dogs never bite
be cured
bean feast
bellows differential flowmeter
bencher
bird families
black-spots
boletization
bozzettoes
burst into laughter
carisma
centroid of the rudder area
chloroplast fragment
conservatard
daily crude capacity
desloratidine
dicky-seat
differentiation index
double copulas
Drâa, Oued
ebb and flow gate
editing colour sequences
emptening
Epimedium platypetalum
exx
feel equal to
file infector
fish length composition
gaillard-parrish sulfuric acid plant
gentilic
give a charge for
glycolcellulose
grandame
heartlink
Hollyburn
hypopterygium formosanum
imperiale
in the public eye
induction of a lysogenic phage
instrumental conditionings
internal coolant
ipsdienol
junction chamber
least-recently-used stack distance
maiden name
mechanically tunable magnetron
mill rates
mixed-age
monobehenolin
notcher
OGIRT
ohohoh
over-the-load carrier
paravane
pare down
parts feeder
Plasmaviridae
positive rolling moment
Potrerillos Abajo
premenstrual stage
rate of vegetation
rem alloy
rostosky
rupestriss
sapping
sequential colour transmission
shelterwood system
shot like particle
Shugozero
silicon wafer
sir humphrey davies
snavely
snow devil
Sopubia trifida
steel-making
stochastic retrieval
suberins
synchronized reserve
System Request key
tendinitis
to stow the hold
togetherly
Tramandai
travelling feeder
tubular shaft
udpas
valuable experience
Viola monbeigii
vulgates
warenne
wave, plane
wool production
zip-up