The sex of the embryo is predetermined at fertilization.胚胎的性别早在受精时就决定了。...an ideal system for studying the development of the embryo...研究胎儿发育过程的理想方法Metabolic activity quickly develops in the cells of the embryo and the a...
The mother provides the embryo with nourishment and a place to grow.母亲为胎儿提供营养和成长的空间。These developments were foreseen in embryo more than a decade ago.这些发展早在十多年前的萌芽阶段就已预见到。It was an embryo idea rather than a fully worked ...
The bed-springs creaked.床垫的弹簧嘎吱作响。The steps creaked beneath his feet...楼梯在他脚下嘎吱作响。She listened. The window creaked - at first almost inaudibly, then louder.她静静地听着,窗子在格格作响――开始声音很小, 后来越来越大.The door in the old house creaked...
Many of his predictions are coming true.他的很多预言正成为现实。Experiments have corroborated her predictions.实验证实了她的预言.This is what makes Leon Bagrit's predictions particularly remarkable.这就是莱昂.巴格瑞特的预测非凡的地方....
But for Steinbeck personally, it also brought the problems of being famous.但是,对斯坦贝克个人来说, 这部小说也带来了成名之后的苦恼.The novel was written by Steinbeck.这本小说是斯坦贝克写的.John Steinbeck used the dust and the pitiless skies as the backcloth...
由于大雨,伊利湖水正在上涨.Lake Erie is filling with the heavy rain.1970年工业废物污染了克利夫兰附近的伊利湖湖面.Industrial waste burned on the surface of Lake Erie near Cleveland in 1970.共有五个大湖泊: 苏必利尔湖, 密歇根湖, 休伦湖, 伊利湖和安大略湖.There are five lakes: Superio...