environmental

It protects against environmental hazards such as wind and sun.

它防范诸如狂风和烈日等环境危害。

They paid attention to the environmental adaptation of cattle raisers.

他们把注意力放在养牛者对环境的适应上。

Environmental groups plan to stage public protests during the conference.

各环保组织计划在会议期间举行一些公众抗议行动。

They cleaned up the river as part of a week-long environmental camp.

他们清理了这条河，这是为期一周的环保营的一部分。

A surprising number of ailments are caused by unsuspected environmental factors.

惊人数量的慢性病是由未知的环境因素引起的。

Since the current world food shortage is trend-driven, the environmental trends that cause it must be reversed.

由于当前世界粮食短缺是环境趋势导致的，因此必须扭转这一趋势。