Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells.植入之后不久,胚囊的壁, 即滋养细胞含有两层细胞.The blastocyst is then surgically introduced into the uterus of a foster mother.然后通过手术把胚囊引进寄养母体的子宫...
Shares ended 1.7 per cent firmer on the Frankfurt exchange.法兰克福交易所收盘时股票上涨了1.7%。We will then have a firmer foundation of fact on which to build theories...那样我们将会获得一个建立理论所需的更为牢固的事实基础。The pound is firmer on the foreign exch...
The road is alive with lookers on.路上看热闹的人熙熙攘攘.As the saying goes, Lookers - on see most of the game.俗话说:“当局者迷, 旁观者清. ”When you are passing away, you're smiling but lookers - on are crying.你逝去的时候, 你笑着,而周围的人在哭,一切都是轮回,...
汽船向我们嘟嘟鸣笛时，甲板上的水手们饶有趣味地挥着手。Steamers tooted at us as sailors on deck waved in amusement.骑车人危险地在车流中飞速穿行时，汽车喇叭的嘟嘟声响成一片。Car horns toot as cyclists dart precariously through the traffic.她的脸已经不再肉嘟嘟的了。Her face had already lost ...