...dangerous levels of pollution in the Earth's atmosphere.

地球大气层污染程度严重

The Partial Test-Ban Treaty bans nuclear testing in the atmosphere.

《部分禁止核试验条约》禁止在大气层中进行核试验。

These gases pollute the atmosphere of towns and cities. [+ of]

这些气体污染了城镇的空气。

Pale wooden floors and plenty of natural light add to the relaxed atmosphere.

淡色木地板和充足的自然光平添了几分轻松的氛围。

There's still an atmosphere of great hostility and tension in the city. [+ of]

强烈的敌对和紧张气氛依然笼罩着这座城市。

The old harbour is still full of atmosphere and well worth visiting.

这座古老的港口依然充满了情趣，颇值得一游。