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...
The immensity of the universe is difficult to grasp.宇宙的浩瀚难以捉摸。the immensity of the universe宇宙的浩瀚无垠The business is conducted on a scale of unprecedented immensity.这项业务是按前所未有的巨大规模来经营的....
All she wanted to be was a mother and a homemaker.所有她想是是母亲和主妇.Mom is a fulltime homemaker, and teaches Darli and I.养母是位全职的家庭主妇.This Pasadena homemaker's name is Jeanne Bell.这家女主人的名字是吉妮·贝尔.Emma is a price - conscious...
这些合金可在不同的温度[热度]熔接.These alloys weld at different heats.我们用焊锡熔接管子.We fused the pipes with solders.在这样的高温下熔接钢铁需要快速.It takes speed to weld steel at this heat....
我把她的信丢进了废纸篓。I consigned her letter to the waste basket.她把他的信丟进废纸篓.She consigned his letter to the waste basket.趁没人看见，她把校帽弄扁塞进了废纸篓。While nobody was looking, she squashed her school hat and crammed it into a wastebasket....
Movement is constant and stasis is relative .运动是永恒的，静止是相对的。Gastric stasis may result in nausea and vomiting.因胃潴留而引起恶心和呕吐.Bethanechol is of value in certain cases of postoperative abdominal distention and gastric atony or...