他为人文雅，结交广泛。He is a cultured man with a wide circle of friends.他文雅、迷人、能言善辩，是一名优秀的谈判人。He is polished, charming, articulate and an excellent negotiator.她说他文雅而迷人。She describes him as urbane and charming....
该市镇处于密集的炮火之下。The town is under heavy artillery fire.这笔钱将用来发展壮大市镇的商业中心。The money will be used to regenerate the commercial heart of the town.公园和戏院只是市镇娱乐设施的一部分.Parks and a theatre are just some of the town's local ame...
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...