乏层半导体

United Nations Report Says Earths Ozone Layer Is Healing A new study says the protective layer of the Earths atmosphere is finally healing from damage by humans use of harmful chemicals. Aerosol sprays and coolants had been thinning the ozone layer s

发表于:2018-12-16 / 阅读(21) / 评论(0) 分类 2018年VOA慢速英语(十一)月

In Hong Kong, the versatility and resourcefulness of Customs officers are taken to such extremes 在香港,海关人员具备多方面的知识和技能。 That we are not only responsible for performing our traditional duties as tax collector and

发表于:2018-12-30 / 阅读(31) / 评论(0) 分类 历史英雄名人演讲

Earth's Ozone Layer Shows Signs of Recovery 地球臭氧层出现恢复迹象 The new report says the Earths ozone layer is showing signs of recovery. Ozone is a form of oxygen. It is found in the air we breathe and in Earth's atmosphere. The ozone l

发表于:2019-01-12 / 阅读(42) / 评论(0) 分类 2014年VOA慢速英语(九)月

351. odd a. 奇特的,古怪的;奇数的 352. omit vt. 省略 353. opponent n. 敌手,对手 354. opportunity n. 机会,时机 355. orchestra n. 管弦乐队 356. semester n. 学期;半年 357. se

发表于:2019-02-03 / 阅读(211) / 评论(0) 分类 英文语法词汇

Ozone layer(臭氧层) 'is no longer disappearing and will return to full strength by 2048', says UN report. The ozone layer is no longer disappearing and could be back to full strength by the middle of this century, UN scientists have confirmed(

发表于:2019-02-07 / 阅读(38) / 评论(0) 分类 英语新闻

PC:个人计算机Personal Computer CPU:中央处理器Central Processing Unit CPU Fan:中央处理器的散热器(Fan) MB:主机板MotherBoard RAM:内存Random Access Memory,以PC-代号划分规格,如PC-133,PC-1066,PC-2700 HDD:硬

发表于:2019-02-18 / 阅读(74) / 评论(0) 分类 实用英语
学英语单词
a sea change
a-mi
act on ... advice
Actinomyces flavus
ad valorem equivalent
air torrent
allow a credit
andps
anybudy
Arklitten
autour
baby mammas
bacterial M-102 strain
bag-and-baggage policy
calk off
Carcroft
card carboard
chalders
Channing Airfield
chemico thermal treatment
chromatid nondisjunction (sansome 1933)
cives
climb onto the band waggon
cockcroft and walton voltage multipliers
combinatorial theory of probabilities
commark
conchoidally
coupon rate
cystinuria
cytees
delospermas
diffusion path
direct hernia
earth-flow
entertainments tax
equalizer lead
Every Jack has his Jill.
excited-field
exciting pulse
face area
family orectolobidaes
folkniks
Fresnel lens
gas-assisted
gelva resins
genogrouping
harjo
henningsamine
home mobile station
Horvi-rana
humeral nerve
impact attenuation subsystem
inventoriable costs
isomerase
key client
lateral probe movement
long-chain triglyceride
Luembe
Marchesani's syndrome
marranoes
Mayenne River
mean time before failures
measure instrument
medulated protostele
menstrual cramps
metaphoric, metaphorical
middle hemorrhoidal vein
nonlinear organic material
nonsalutary
one-day reversal
optically active absorption band
Pearl R.
playstations
plowing
Power On Self Test
protein salt
pseudocololoboma
Pseudopyxis
qkn
ramification number
restricted access area
rhumb-line sailing
rr. musculares (a. occipitalis)
sledloads
SOTU
spiauterite
spiradine a
St Giles' Greek
subsidiary drain
support shaft
system residence device
thiostannous acid
tightly-packeds
tovarish
trans-Caryophyllene
valve land
walkerdine
westwego
winding data
X-ray diagnostics
year of service
Zeisian gland