a true bug: large aquatic bug adapted to living in or on the surface of water
small light-brown cockroach brought to United States from Europe; a common household pest
例句
用作名词 (n.)
He crouched for hours in darkness above an overflowing WC, while cockroaches crawled round his feet and a leaking shower dripped stagnant water on his head. 在黑暗中他长时间蜷缩的蹲在外溢的厕所上面，蟑螂在他的脚边爬来爬去，漏水的淋浴喷头不时地将滞水滴在他头上。
Some cockroach species can go for a month without food, survive for a month on a drop of water from a dishrag, and withstand massive doses of radiation. 有些种类的蟑螂可以不吃一个月，而靠抹布上的水滴活命，也可以承受大量剂量的辐射。
美
