时间:2019-02-21 作者:英语课 分类:英闻天下


英语课

   Beijing's municipal authorities will issue new regulations to improve air quality by the end of this year.


 
  The smoggy weather has affected 1 a total area of 1.3 million square kilometers in China recently.
 
  The new regulations include higher standards for vehicle fuel, and stricter restrictions 2 on industrial and exhaust gas emissions 3.
 
  Traffic authorities in Beijing have also ordered 30 percent of official cars in the city to be off road.
 
  Ma Xuekuan is the chief weather forecaster with National Meteorological Center.
 
  "It is a long process to change the situation. It is particularly hard to tackle such a large-scale smog through artificial means. Only strong wind or rainfall can disperse 4 it or reduce its density 5."
 
  He advises people to take precautionary measures to protect their health.
 
  The smog has also disrupted traffic, with planes grounded and highways closed during the on-going Spring Festival travel rush.
 
  The smog has also led to a surge in respiratory illnesses, particularly among children and the elderly.
 
  Studies show that most of the pollution comes from coal burning, motor vehicles, industrial emissions and dust.
 
  It was the fourth round of heavy smog to hit Beijing in a month.
 
  Beijing's air quality has worsened again since Monday, with a significant thickening of the PM 2.5, or airborne particles measuring less than 2.5 micrometers in diameter.
 
  The average concentration of PM 2.5 has reached hazardous 6 levels.

adj.不自然的,假装的
  • She showed an affected interest in our subject.她假装对我们的课题感到兴趣。
  • His manners are affected.他的态度不自然。
约束( restriction的名词复数 ); 管制; 制约因素; 带限制性的条件(或规则)
  • I found the restrictions irksome. 我对那些限制感到很烦。
  • a snaggle of restrictions 杂乱无章的种种限制
排放物( emission的名词复数 ); 散发物(尤指气体)
  • Most scientists accept that climate change is linked to carbon emissions. 大多数科学家都相信气候变化与排放的含碳气体有关。
  • Dangerous emissions radiate from plutonium. 危险的辐射物从钚放散出来。
vi.使分散;使消失;vt.分散;驱散
  • The cattle were swinging their tails to disperse the flies.那些牛甩动着尾巴驱赶苍蝇。
  • The children disperse for the holidays.孩子们放假了。
n.密集,密度,浓度
  • The population density of that country is 685 per square mile.那个国家的人口密度为每平方英里685人。
  • The region has a very high population density.该地区的人口密度很高。
adj.(有)危险的,冒险的;碰运气的
  • These conditions are very hazardous for shipping.这些情况对航海非常不利。
  • Everybody said that it was a hazardous investment.大家都说那是一次危险的投资。
学英语单词
abadi
abnormalizing
Adabaī Mahamoud
Adonias
aided laying
Air Pressure Relief Valve
allantoises
aneitensis
annul-
arachnopia
ball viscosimeter
basic assember program
behavioral relationship
belly-achings
bristlecone
cakepans
canvass for contribution
Capromycinum
caroticotympanic nerves
central angles
Cheggers
cocosoid
connecting screw rod
convertible currencies
cubiclizes
Cuenca
deficit reactivity
Diamond Jim Brady
dicapryloyl peroxide
distributed delay model
driven rod
Einhorn's disease
enzymoprivic
Eoligonodina
Erigeron L.
feed on animal's blood
fresh in someone's mind
fruit diameter index
galdosian
Gamtoos R.
greatest common factor
Hirst's phenomenon
homo soloenses
hook stud
hydrocephalies
increment mode display
inculpably
isolated operation
jamuna
jup
Kabara, L.
Korsakov's psychosis
L. C. L. bodizs
Lake of the Woods
laser pressure gauge
leze-majesty
liquid composite molding (lcm)
lithodes formosae
madrepore marble
magnetic bearing
make our point
manufacture out of whole cloth
megamera
mulcher stubble
net explosive weight
non-b
nondessert
northwest corner rule
onion-domed
ornitholeucism
Paloxin
Pearson's coefficient of meansquare contingency
phase-iii
pig-metal
pigginstring
preaching to the choir
PSAD
pyrola americanas
radial force
refrigerator cryopump
revolves around
saccharogalactorrhea
sadsack
sapo glycerinatus
sarc-
sheddest
shovel-crowding engine
shovelnose-ray
single-cycle forced-circulation boiling water
slot part
snow-jobbed
spankiest
Strongylus apri
super orthogonal code
tertiates
thass
thermobank defrost
tracies
trise
video-fax
wet shoots
Yangdi