胚胎在羊膜腔中发育。The embryo lives in the amniotic cavity.羊膜穿刺术是从羊膜囊抽取羊水的技术.Amniocentesis is the removal of fluid from the amniotic sac.中速滤纸虽也可贴附,但复水后不能起到支撑作用,并发生纤维脱落,附着于羊膜上,不利于手术.Filter paper can'tsupport the amnion after ...
进入睡眠状态时，我们的脑电波振幅慢慢变大。As we fall asleep the amplitude of brain waves slowly becomes greater.那个气球充气后就变大了.The balloon enlarged as we pumped air into it.这些巢每年都在变大，最终可能会把树枝压弯。These nests increase in size each year, and can ev...
Emily turned and threw her a suggestive grin.埃米莉转过头，冲她意味深长地一笑。music that is suggestive of warm summer days使人想起温暖夏日的音乐His behaviour was suggestive of a cultured man.他的举止显示出他是个有教养的人....
那就象浑厚的罩袍笼罩着群山.A thick robe of It'swept from hill to hill.她光亮的头发和雪白的罩袍也散发着这种香气.Perfume too seemed to emanate from the glorious hair and white clinging vestments of she herself.她的罩袍来自巴黎, 可是她简直把它们穿成了英国式(的样子).Her frocks...
There were also several accidents mainly caused by engine failures on take-off.还有几次事故主要是起飞时引擎出现故障造成的。His failures underline the difference between theatre and film direction.他的失败说明了导演戏剧和电影是不同的。Business failures rose 16% ...