合成纤维

This special edition of our show dives into an ocean of plastic, masses of waste accumulating on and around some remote islands in the Pacific. Synthetic plastic, the kind made by people, has been around since 1907, and scientists estimate that almos

发表于:2018-12-02 / 阅读(75) / 评论(0) 分类 CNN美国有线新闻2017年12月

This is Scientific American 60-second Science,I'm Cynthia Graber.This will just take a minute.Iconic works of art get exhibited worldwide.But as those paintings age,they can become to fragile to extend travel around the globe.The paint can be visuall

发表于:2018-12-24 / 阅读(28) / 评论(0) 分类 Scientific American(九)月

Lesson 114 Part Ⅰ Lesson 114 Part Ⅰ Warming-up Exercises Spot Dictation: Synthetics Nowadays we wear orlon ______that look like wool, dacron ______that resemble cotton, and nylon _______that remin

发表于:2018-12-27 / 阅读(78) / 评论(0) 分类 英语听力入门 (全四册)

地点:莫妮卡公寓 人物:消防员,莫妮卡,瑞秋 事件:三位闺蜜在情人节举行前男友物品清理仪式引起火灾,叫来了消防员 听力文本: Rachel: Thanks you guys for coming over. 瑞秋:真感谢你们能来

发表于:2018-12-28 / 阅读(23) / 评论(0) 分类 英语PK台

Very small pieces of plastic, called microfibers, are polluting rivers and oceans. The source of these microfibers may surprise you: your clothes. Clothes worn for outdoor activities and exercise are often made of synthetic material, like polyester o

发表于:2019-01-02 / 阅读(44) / 评论(0) 分类 2017年VOA慢速英语(四)月

SYDNEY, Aug. 5 (Xinhua) -- The Western Australian Government announced on Friday that 14 new substances linked to the manufacture of the synthetic drug Kronic would be banned from Friday midnight. The State Mental Health Minister Helen Morton told th

发表于:2019-02-19 / 阅读(64) / 评论(0) 分类 英语新闻
学英语单词
abequose
Anem
angle of ascent
annular shake
antitrust law
articulation of pubis
auto-mechanic
balize
bath mats
battery valve
benzylisoquinolines
Bildudalur
biochemical downstream engineering
breakin'
Bruay
business marketing
cenobite
chain scheduling
chloride dichloroacetyl
clausarin
consumable electrode arc melting furnace
copper(ii) carbide
crusade against
d-arabinose
database quality control
DNS redirection
dope runner
DPGN
Duero (Douro), R.
ear-fingers
economic syphilis
electron catcher
endomorphy
eosinocytes
flat-lying joint
francos
Gemmatimonadaceae
hardening by hammer(ing)
hardness-testing machine
Heubner's specific endarteritis
hexamethyldisilazane
high-resistance spacer
Hypericum
hypolipaemia
imitative word
immunoisolated
individual equipment
International Ballet Competitions
Italian vegetable marrow
jowk
jump address field
keep one's head above ground
lab-grown
Li Keran
litter feeding of grain
lotes
maatsuyker is.
madreporic canal
MESRF
micro-hardness
Navadyl
neck of bladder
nomines
nondialect
notation strip
Ophiopneumicola
palmeirim
phosphorylation constant
planetary landing
plastic buckling pressure
PLBD
pressure tide-gauge
primary current distribution
protection earthing
przybyszewski
put your best foot forward
Quercus alba
radiciferous
reference parameter
sacro egoismo
saidenberg
sailing thwart
second-quarter
sharpening circuit
Shavsha
shearbill
siobla taiwanica
slow-onset
spar loading
stepless canal
sulphosuccinate
suribachi
teacloth
time competence scale
total ablation rate
trioxalatoferriate
vicesimation
voneida
watchfield
weather-factor accident
wet strenght