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....
I just keep ingesting these poisonous men until I make myself sick.我总不断的让自己被这些男人毒害,直到自己生病.Were they oblivious to the poisons they were ingesting?他们浑然不觉正在摄入的毒药?Unless you know your oils very well, I suggest not ingesting ...