Air protects the earth.

空气保护地球。

youdao

The higher we go above the earth, the thinner the air is.

这里的空气很稀薄。

youdao

An environmental group has found the air, the earth and the rivers in Guiyu badly polluted.

一个环保组织发现贵屿的空气、土地和河流严重污染。

youdao

But in the short run her unpompous, down-to-earth, jargon-free directness should bring a gust of fresh air to the stale, grey-suited, male-dominated, wheeler-dealing atmosphere of German politics.

ECONOMIST: Angela Merkel, Germany��s new-look conservative

The heating and cooling systems use air that has been earth-tempered drawn into a large tube and passed through the ground, which has a consistent temperature that is cool in the summer and warm in the winter.

BBC: The futurist: The sustainable Spaceport America

The impetus behind the president's space control veto, and the Air Force's scorched-earth reaction to it, appears to be political.

CENTERFORSECURITYPOLICY: Clinton Policies Would Disarm U.S. Space Capabilit