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...
服务器“%1 ” 不准备运行已卸载的代理程序.Server'% 1'is not prepared to run the offloaded agent.订阅服务器“%1 ” 准备运行已卸载的代理程序.The Subscriber'% 1'is prepared to run the offloaded agent.数码相机将图像存储在可卸载的记忆卡里.Digital cameras store ...
We gave the gate money to the St John Ambulance brigade.我们将门票收入都捐给了圣约翰急救队。I was close by as Lester was stretchered into the ambulance.莱斯特被用担架抬进救护车时我就在旁边。We got an ambulance and rushed her to hospital.我们叫了一辆救护车,赶紧把她送到了医院。...