定位面

Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

发表于:2018-12-02 / 阅读(65) / 评论(0) 分类 2017年Scientific American(九)月

When you spill a liquid on the ground, it splashes. But if youre a guy using a urinal, or, more important, if the liquid is dangerous, say, an infected blood sample, you want to limit splashing. In other words: If an accident happens, you want the dr

发表于:2018-12-24 / 阅读(31) / 评论(0) 分类 2016年Scientific American(十二)月

What did you enjoy least about your last job? 在上一份工作中,你最不喜欢哪方面? I really enjoyed my job,so I can't think of much,except the commuting. 我真的很喜欢那份工作,除了通勤麻烦之外,我想不出还有什么

发表于:2018-12-31 / 阅读(94) / 评论(0) 分类 必背英文面试口语

The few surfaces not covered by signs are often clad in a distinctive, dark green-gray, striated aluminum siding. 这仅存的没有被商标遮盖的建筑,一般都被包裹在有特色的阴暗铝灰条纹的铝制外壁板之中。 Take-out san

发表于:2019-01-18 / 阅读(48) / 评论(0) 分类 TED演讲商业篇

JUDY WOODRUFF: Now: sharks. Just saying the word can send shivers down the spines of some, but as Hari Sreenivasan found in this report, studying their skin could be key to fighting diease and is on the cutting edge of the larger push announced at th

发表于:2019-01-27 / 阅读(36) / 评论(0) 分类 PBS访谈健康系列

Surprise, surprise 惊喜 词汇扫描 swing 悬摆 fraternity 大学兄弟会 porch 门廊 英文原文 Don't ever pay a surprise visit to a child in college. You might be the one getting the surprise. I learned this the hard way when I swung by my

发表于:2019-02-15 / 阅读(40) / 评论(0) 分类 英语笑话(MP3+文本)
学英语单词
Actiniopteris
advice of excess parcels
aeromedicines
allyl malonic acid
aluminium foil fibre
amateur audit
Apollyonic
Aromashevo
arpa cayi (akhuryan r.)
atomic concentration
auger packer
brood lac
Burgkirchen an der Alz
Chateau-Arnoux
choumoellier
chronometer main spring barrel
clypeate head
contemporariness
couple of stability
cross flame
crystal mush
curly quotes
data(datum)
datacommunications
Diamper, Synod of
disc camera
Divnoye
dolomite earthenware
dosage forms
dotwheel
Dreuw's paste
ellroy
emergency exchange
extensionists
external function name
fiber to the curb
fixed eruption
fodens
fresh water radioecology
gradacac
greyhead
hair stone
horandric inheritance
hypersymmetrical
importing wholesaler
in reply (to)
industrial archaeologist
injurious insect
intellectural responsibility block
internal brake shoe
John Quincy
Kokand
lateral earth axis
mass crystallization
micturates
minimum operating speed of ignition system
modishest
mutagenesis-cartridge
next succeeding term
nonstandard label number
norfluoxetine
oxydoreductase
PDMB
perished goods
perverser
phototoxic(reaction)
praisest
pray sb to do sth
programmable circuits
propyl mustard oil
question blank or questionnaire
rabate
Ranaall's sign
ratione materiae
rear-feast
remote indication manometer
saint-hubert
sausage sizzles
set out to do
sound coloration
spatial frequency vector
spell of seven steps (sri lanka)
spirocheturia
spring of carriage
starting crank
stationary two-arm resin sand mixing unit
stiede
streptogamin
stride across
sulbenicillin sodium
suture of ear
taken stock of
testimonium clause
tetrapodial monster
thinkins
trade promotion centre
treatment failure rate
truglia
two-bolt lock
undefine
wordspotting
woven fabric