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 ...
Brian pulled the straps through the buckles of his suitcase.布赖恩将带子穿过自己手提箱的带扣。The bag has narrow straps, so it may be worn over the shoulder or carried in the hand...这个包配有细带子，可以肩挎，也可以手拎。Karen pulled the bandolier's s...
Dishonesty is ultimately self-defeating.弄虚作假最终会自食其果。Narrowly self-interested behaviour is ultimately self-defeating.狭隘自私的行为最终会自拆台脚。Paying children too much attention when they misbehave can be self-defeating.孩子有不良行为时，小题大...
在开始使用前把氢氧化钾电介质压入蓄电池.The potassium hydroxide electrolyte is forced into the cells just before use.碱,拼写为l -y-e,也称为氢氧化钠或者氢氧化钾.Lye - - spelled ly - e -- also called sodium hydroxide or potassium hydroxide.一种强的钠或氢氧化钾溶液.A subs...
The plane has UHF and VHF radios plus an instrument landing system.飞机配备了UHF和VHF无线电以及仪表降落系统....UHF frequencies of around 900 megahertz.大约900兆赫的超高频率Present a design of the Emissive Microwave Power Control used for the UHF ...