The environment has become a very hot issue.

环境已成为很热门的话题。

《牛津词典》

If you find things that could harm the environment, call 12369—a hot line.

如果你发现有可能危害环境的东西，请拨打12369热线电话。

youdao

We think we lost this hair because of the need to keep ourselves cool, when we were moving around vigorously in a hot environment.

我们认为，当我们在炎热的环境中活动时，我们需要保持凉爽，所以我们才会掉发。

youdao

"My project involved a method for treating leather so that it stayed warm to the touch in a hot environment and warm to the touch in a cool environment, " he said.

CNN: Romanian teenager wins 'junior Nobel Prize' competition

Prior to the project we were told Dallas was too hot and lacked the culture to support a pedestrian environment.

WHITEHOUSE: Becoming the Change

The desert area is favored by the U.S. military and its allies for training because the hot, dusty conditions and mountains replicate Afghanistan's harsh environment and the clear weather allows for constant flying.

WSJ: Seven Marines Die as Helicopters Collide