胚胎的性别早在受精时就决定了。The sex of the embryo is predetermined at fertilization.收集母牛胚胎的方法有两种, 一种是直接通过产道, 另一种是施用外科手术.There are two methods of collecting cow embryos -- directly through the birth canal, or surgically.目的: 探索制作小鼠多倍体胚...
这座钟塔高在五十米以上.The clock tower stands over 50 metres.位于钟塔旁的大教堂内部装潢高雅.Beside the tower lies the cathedral with a glorious interior.有以百叶窗遮蔽的钟塔和尖顶的教堂;装了绿色百叶窗的小别墅.A small turret or spire on a roof or buttress....
凶悍的性情,绝不会因为年龄增长而变得温和.A tart temper never mellows with age.再也看不到了,他那幅俨然刚硬海盗似的模样,那种狂野的扮相是和他凶悍的正手很是相配.And gone was the gritty buccaneer look that so perfectly complemented his savage forehand.不论是凶悍的松毛虫,还是遍身毒毛的刺蛾,一遇蠋蝽便束手待毙.A...
Money is my biggest bugbear.我最愁的是钱。The rise of moralism was a bugbear to Lord Byron , born in 1788.道德主义的盛行对拜伦来说无疑是一场灾难.Germany was always a bugbear for France.德国一直是法国的威胁....
But some bitter substances in It'such as elaterin are unacceptable.由于苦瓜含有苦瓜素等物质,苦味较重,令一些消费者难以接受.Stressed plants diminish osmotic potential by accumulating free amino acids, ions and dissolvable substances.被盐胁迫的植物因自由...