音标:[i'miʃәn] ; 柯林斯词典等级:2 级;
n. 发射, 射出, 发行
[医] 发射, 遗精
n. the act of emitting; causing to flow forth
n. the release of electrons from parent atoms
n. the occurrence of a flow of water (as from a pipe)
词型变化:名词复数形式 : emissions
考试类型:[六级/托福]
词性分布:
名词100%

emission的用法和样例:

例句

用作名词(n.)
  1. In addition, wetland soils are known for methane emission, a greenhouse gas.此外,湿地散发沼气这种温室气体,是人所共知的。
  2. The limitless emission of foreign currencies has an serious influence on the country's economy.外汇的无限制发行严重影响了该国的经济。
  3. New regulations are aimed at reducing the vehicle emission.新规定的目的是要降低汽车尾气的排放。
  4. Emission of smoke from chimneys is an offense.在这里排放烟雾是违法的事情。

词汇搭配

  • emission standard排放标准
  • secondary emission二次发射,次级发射...
  • positron-emission tomography正电子放射断层造影术...
  • emission coefficient发射系数
  • fluorine emission含氟发射物
  • field emission静电发射,场致发射,...
  • back emission反向发射
  • emission rate发射速率
  • emission spectrum放射光谱,放射谱...
  • emission band放射频带,发射谱带...
  • stack emission烟囱排放
  • exhaust emission废气排放
  • emission factor发射因数
  • cold emission冷辐射,冷阴极放射...
  • stimulated emission受激发射
  • heat emission热辐射
  • photoelectric emission光电发射
  • dust emission粉尘排放
  • atmospheric emission大气发射
  • emission spectroscopy发射光谱学

经典引文

  • Experts monitor sea creatures for nuclear emissions.

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学英语单词
2'-phosphodiesterase
a cutie pie
abnormal focal length
aggregation of individual preferences
air inlet valve of dredger's deliving pipeline
air-guns
alcala de la selva
archeri
Ariquemes
assinie
Auberger blood group system
Banbayan Pt.
bar rack
be food for worms
between-class correlation
Brachypodium sylvaticum
calex
capon test
carbon steel
catch copy
Central I.
chantha
chromophobic
couchful
day disk
deformational stress
detonation point
deutscheland
drive out of
duramatral
echymose
Elephanta Island
expected yield
fadged
fermentation inhibitor
floating point unit
folded and grooved seam
go hard or go home
half titles
harker lines
hideosities
Higher bid
imperialls
insinuate
iris detachment
Jeans viscosity equation
lactocidin
lbgs
lead metasilicate
left atrium failure
Liberation Tigers of Tamil Eelam
lock cylinder
loi-cadre
M.H.R.
macromitrium ferriei
marie dolores eliza rosanna gilberts
membranogenesis
mesh side cutter
Minskian
nodes
nonitemized
normal congruence
observantially
order parameter
pachometers
papular pruritic gloves and socks syndrome
paroxysmal coliky pain
patent licence-agreement
Phulsāri
pioneering work
plain ashlar
plant ledger card
pork fillet
preconising
PSD (power spectral density)
ragtop
relish
residual valency
Santa Maria, I.
satish
scientific data processing
search and seizure
Seawater Quality Standards
sharpness of focusing
side-by-side
Simonart band
Sleepwell
smazes
spherochromatism
starch slurry
stop-and-direction-indicator-lamps
storage cathode ray tube
sweetkin
tabby-cats
teamkillers
tetracontagons
tip clearance area
Tossåsen
uppermost part
us sea
water ejection tube
you're a star