Destruction of the environment is one of the most serious challenges we face.

环境的破坏是我们所面临的最严峻的挑战之一。

《牛津词典》

Today we face seeming challenges in energy, the environment, health care.

今天，我们似乎面临着能源、环境和医疗保健方面的挑战。

youdao

But to the school, in the face of unfamiliar faces unfamiliar environment, I want to cry well.

可是来了学校，面对陌生的环境陌生的面孔，我好想哭。

youdao

Our immune system's function is to keep us healthy in the face of an environment where there are lots of things that could potentially harm us.

我们免疫系统的功能就是保持自身健康,在面对危机四伏的环境时,使我们免受伤害

耶鲁公开课 - 生物医学工程探索课程节选

The challenges we face on the environment, or on getting comprehensive immigration reform done -- on all these issues we are going to keep on pushing.

WHITEHOUSE: President Obama Speaks On College Affordability

With or without consolidation, cable makers face a tough environment.

ECONOMIST: The Europeans stay ahead in a capital-intensive industry

The communities on the Guatemalan side of the border face a more challenging environment.

FORBES: Political Risk Analysis: Guatemala and Mexico's OTHER Border