我不能判定他到底是英勇无畏还是精神失常。I couldn't decide whether he was incredibly brave or just insane.全镇的人都英勇无畏地投入了这场战争。The town responded gallantly to the War.你勇敢无畏，一定会获得成功。You're brave and courageous. You can make it....
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....