This pushing - in of cells marks the start of gastrulation.细胞的这种向里推进标志着原肠胚形成的开始.The outer layer of a blastula that gives rise to the ectoderm after gastrulation.外胚层囊胚的外层,在原肠胚形成之后生后外胚层组织....
From beginning to end his conduct had been despicable and wicked.从头到尾他的行为既卑鄙又可恶.They played a shameful [ despicable ] role in this farce.他们在这场闹剧中扮演了可耻 [ 鄙 ] 的角色.Ingratitude is a despicable vice.忘恩负义是可鄙的不道德行为....
Baroness Thatcher's claims seem credible to many.撒切尔女男爵的主张在很多人看来是可信的。Tom Sawyer was in the skiff that bore Judge Thatcher.汤姆-索亚和撒切尔法官同乘一条小艇.Margaret Thatcher's espousal of monetarism eventually brought inflatio...
Now a rash of scruffy little shops bordered one side of the street.现在街道的一边排满了各种破旧的小店。...one of the few major airlines left untouched by the industry's rash of takeovers...没有受到行业内大量收购风波波及的少数几个重要航空公司之一Advancing years ...