punctuate: vt.1.加标点于，标点(文章)。2.加重(语气等)；强调。3.间断；不时打断(演说等)。短语和例子punctuate one's talk with sobs 边哭边讲，抽抽噎噎地讲。 Each word was punctuated by a blow. 字字拍桌，慷慨激昂。vi.点标点。n.-ator 点标点者。
He also found that punctuated evolution explained about 22 % of such genetic changes , with the remainder unfolding smoothly through time 他还发现大约22 %的遗传变化要通过间断式进化来解释，其余的则通过随时间渐进式进化来解释。
