材料强度科学

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we will tell about evidence that some people can be both fat and healthy. We will also tell about brain aneurysms -- a rare

发表于:2018-12-07 / 阅读(51) / 评论(0) 分类 VOA慢速英语2008年(九)月

This is Scientific American's 60-Second Science, I am Steve Mirsky, got a minute? You are pulling the tape off the roll and it starts to tear, or you are moving wallpaper and it refuses to strip off in strips or in what may be the most infuriating ca

发表于:2018-12-24 / 阅读(49) / 评论(0) 分类 Scientific American(三)月

The London Olympics are about to begin, and spectators will again be riveted by feats that would have been impossible when the modern Olympics began in 1894. Jaw-dropping records are attainable in part because of the advances in materials science. Ne

发表于:2018-12-24 / 阅读(40) / 评论(0) 分类 Scientific American(七)月

The London Olympics are about to begin,and spectator will again be revited by feats that would've been imposibily when the modern Olympics began in 1986. Jaw-dropping records are attainable in part because of advances in material science. New materia

发表于:2018-12-24 / 阅读(49) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60 Science, Im Cynthia Graber. Thisll just take a minute. Batteries add weight, and they need recharging. Thats serious business for implanted medical devices. When the batteries die, patients sometimes have to undergo an

发表于:2018-12-24 / 阅读(34) / 评论(0) 分类 Scientific American(九)月

1.What is your hobby? 你的爱好是什么? 2.What do you like to do in your spare time? 你业余时间喜欢做什么? 3.What kind of reading materials do you like best? 你最喜欢哪种读物? 4.How do your spend your time after work or i

发表于:2018-12-25 / 阅读(90) / 评论(0) 分类 面试口语脱口而出
学英语单词
afonso claudio
amlas
atomic beam frequency standard
automation of discontinuous process
axogenesis
bake up
bleed inwardly
borsht circuits
brass fittings
brephotrophic
business insurance value
chicks before dicks
chulym r.
circular saw
citationality
clashy
codesria
compressed-air foundation
conditional contracts
conditional-variable
coutinuity of coating
cover cost
critical questions
ctenes
desmoplastic malignant melanoma
diatomaceous-earth filter
drop-away voltage
emphasizer
epicystostomy
evening colleges
f.hepatica
facial plastic surgery
false diminished seventh
FOC flag of convenience
garence
genus hederas
harness pony
helmand rod
heterophylline
higher-capacity
Huancarama
Hy-drine
inella chrysalis
ingvar
inhibiting degradation
integrating wattmeter
internal link flag
interpretation test
inverlochies
john barrymores
kuteera gum
lemahieu
lightbar
liquid-hydrogen distillation
low pressure cutout
majorly efficient solution
mesal subterminal apophysis
mesonephric canal
miscure
naufragate
Nissumby
nitrosamines
nucleopore
old enough
original image
overlooking
oyster cloister
P'anmunjǒm
parent metal fusion
parsonet
partial radial distribution function
pas-
Perros-Guirec
phytoplankter
Pinacene
Pogled
preliminary correction
primm
priority level
rain-bearing system
randomized scheme
reciprocal compressor
Reggiolo
rlv
saddhu, sadhu
saddle feathers
sealabs
Sidi Mokhtar
skid fin
sleeps out
spoilage account
Stratum fibrosum
SWITCH ON OR OFF
Tom Joneses
trichophyton schoenleinii
tungsten electrode arc melting
uniformly most powerful unbiased
up one level
VCA
vonge
wheel set
yotation