n.洗碟用布；抹布
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. 有些種類的蟑螂可以不吃一個(gè)月，而靠抹布上的水滴活命，也可以承受大量劑量的輻射。
