the act of moving people from a dangerous place to somewhere safe

The evacuation of civilians remains out of the question while the fighting continues. 在战斗继续进行的情况下，疏散平民仍然是不可能的。

The first evacuations came ten days after the disaster. 第一批疏散是在灾难发生十天后进行的。

the act or process of emptying something of its contents, especially the bowels

Fear can cause an involuntary evacuation of the bowels. 恐惧会导致不自觉地排便。

A laxative stimulates the evacuation of intestinal contents. 泻药刺激肠道内容物的排出。