胚囊,普通具有8个遗传上相同的单倍体核.Embryo has most commonly eitht genetically identical haploid nuclei.植入之后不久,胚囊的壁, 即滋养细胞含有两层细胞.Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells.存在于胚囊和胎座中的...
The prospecting team has traversed the length and breadth of the land.勘探队踏遍了祖国的山山水水.Andrew traversed the prairie on horseback.安德鲁骑马穿越大草原.The boys traversed a small hump - backed bridge to the opposite shore.两个人便走上窄小的圆拱桥,...
They were having to face up to the fact that they had lost everything.他们必须正视他们已经一无所有这个事实。I have grown up now and I have to face up to my responsibilities.我已长大成人，必须担负起自己的责任。We must face up to our responsibilities and not ...
这些机器将来会需要备件和维修保养。In the future the machines will need spare parts and maintenance.仔细阅读这些注释并将其保留下来以备将来之用。Read these notes carefully and keep them for future reference.他认为食品价格将来会上涨。He believes food prices will go up in the...
These important rights are enshrined in the constitution.这些重要的权利已庄严载入宪法之中。The club's constitution prevented women from becoming full members.这个俱乐部的章程不允许女性成为正式会员。The constitution proclaims that public property shall ...