细胞的这种向里推进标志着原肠胚形成的开始.This pushing - in of cells marks the start of gastrulation.外胚层囊胚的外层,在原肠胚形成之后生后外胚层组织.The outer layer of a blastula that gives rise to the ectoderm after gastrulation....
He fled on Friday, saying he feared for his life.他星期五逃走了，说是担心自己有生命危险。He fled to Costa Rica to avoid military service.他逃到了哥斯达黎加以逃避服兵役。The teenage attackers fled when the two men fought back.当那两名男子还击时，袭击他们的少年逃之夭夭。...
Objective : To study the result of operation of metacarpophalangeal joints contracture in old peoples.目的: 探讨老年人掌指关节挛缩的手术效果.Objective : To evaluate the efficacy of domestic minitype plate and screw fixation metacarpophala...
共和国在公开场合非常隆重地宣布成立。The Republic was proclaimed in public with great ceremony.不论从哪个方面来说，他们都受到了隆重的接待。They were royally received in every aspect.待客隆重并不意味着要大肆铺张。Entertaining in style needn't mean spending lavishly....
This is a film which seems to hail from the hippie era.这看起来是一部嬉皮士时代的影片。Once in a while I still see a hippie that looks like he's stick in the 60's.有时,我仍可看到像60年代那样的嬉皮士." Well, I'm not sure what a hippie loo...