音标:[pɜ:tə'beɪtə] ;
扰动器
n. A perturber.

Keep Rolling Luggage Upright With Physics物理学帮你稳住拉杆箱 If you've ever pulled a rolling suitcase through the airport, chances are you've also been annoyed by this common occurrence: the suitcase starts rocking back and forth on each w

发表于:2018-12-24 / 阅读(93) / 评论(0) 分类 2017年Scientific American(六)月

avaricious, [ .və'riʃəs ] adj 贪财的=greedy 【记】见avarice 【类】stoic:perturb=avaricious:satisfy镇定的不易被干扰=贪财的不易被满足 【反】contented(adj 满足的)

发表于:2018-12-30 / 阅读(91) / 评论(0) 分类 不择手段背单词

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(99) / 评论(0) 分类 单词解析速记

1. perforate /ˈpɜ:fəˌreɪt/ -- (literally, bore through) make a hole or holes through; pierce; puncture The physician said the tack had gone through Betty's shoe and sock without perforating her skin. 医生说大头针穿过了贝蒂的鞋袜,但

发表于:2018-12-30 / 阅读(77) / 评论(0) 分类 突破英文词汇

By Mona Ghuneim New York 27 March 2008 Astronomers have captured an image that suggests evidence of a planet in the early stages of formation. From VOA's New York Bureau, Mona Ghuneim reports on this discovery that has opened a new window onto our en

发表于:2019-01-10 / 阅读(131) / 评论(0) 分类 VOA标准英语2008年(三月)

Technology Report - WHO Finding Adds to Debate Over Mobile Phones, Brain Cancer 世卫组织加大手机致脑癌的讨论 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 The World Health Organizati

发表于:2019-01-12 / 阅读(118) / 评论(0) 分类 2011年VOA慢速英语(六)月

Plants Weaken Without Insects Bugging Them Evolutionary pressures The new study examines how insects and plants are still co-evolving. Anurag Agrawal studies evolution in real-time. The Cornell University professor of ecology and evolutionary biology

发表于:2019-01-14 / 阅读(144) / 评论(0) 分类 VOA标准英语2012年(十月)
学英语单词
acacy
accumulative action
adiabatic ascending
alkyl sodium sulfate
andrographolic acid
ASTM (American Society for Testing and Materials)
back-arcs
base of cerebrum (or ventral surface of cerebrum)
beech fork l.
Benedorm
betamethadol
carrying reliability
Central office.
chip removal device
churubusco
cinema house
cliffhangers
come to me
computer browser
copper oxide detector
cosmic communication
current time curve
cystidia stratonice
Daily Hire Salvage Contract
Deer I.
defoaming plate
deionized water equipment
dihydric
double head tyre
eight pen drifting plotter
electrically steerable antenna feed techniques
equine infectious arteritis
error detector
extension core barrel
fluor
frozen soil strength
general fund receipt account
give lesson in
global placement
globigerina type
glyptal
got stuck
hair-weaving
hutsell
hydrofluorosilicic acid
hypothecators
Igdrasil
ingravidated
João Pinheiro
l-reduction
Law's Empire
light on the hill
line translation
Longlac
mainline section
mantar
mast light
master-plans
matrisate
mcammond
medicated oil
method of advance reproduction
micrometer rods
micromotions
mifonafide
minimalism
Mogherini
monosomic plant
muniches
non-aperture
non-program
nonnormality of disturbances
nuts and boltss
O'Casey
open bay
orthotomic surface
pay-by-phone
petrol garage
pinch runner
pyles
quick salting system
reintegrations
restauranteurs
roll-over test
sight-feed oiler
skim riser
sky cover
snow cock
sodium isoascorbate
sodium thiopentals
spermatogone
squatriglia
stemona sessifolia miq.
Streptococcus pneumoniae
tinkerly
u.s. patent and trademark office
virginalis
water power section
wheel roller
wheel-dressing device
whirl winf
XIP