smog-control

常見例句

Smog hung in the sky (over the city).
(城市)上空煙霧彌漫。
Black smog reduced visibility to about fifty yards.
黑色的煙霧使能見度降到大約五十碼左右。
Smog used to bring London traffic to a standstill.
過去倫敦的交通常因煙霧而受阻。
Industry rarely thrives under government control.
在政府控制之下工業(yè)很少會(huì)發(fā)達(dá)。
Those rebellious teenagers are hard to control.
那些反叛的青少年很難管教。
Pollution control has cleared the air.
污染管制已凈化了空氣。