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...
People were making for the air-raid shelters below ground.人们正奔向地下防空洞。The rebels attempted a surprise raid on a military camp.叛军试图突袭一处军营。The president was absolutely right in ordering the bombing raid.总统下令发动空袭是绝对合乎道义的。...
突然的拉力使得整只船剧烈颤动。The whole ship shuddered and trembled at the sudden strain.已经勘测到圣安德烈亚斯断层的其中一处所承受的拉力在增强。A build-up of strain on a section of the San Andreas Fault has been detected.拉力的大小与他们离终点的距离成反比。The tension grew in inv...
Strangely enough, the last thing he thought of was his beloved Tanya.说来也怪,他最后想到的才是他心爱的塔尼娅。She refuses to see her beloved boy die in such dishonor.她不愿看到她深爱的男友就这样不名誉地死去。Fame hasn't torn her away from her beloved Liver...
纸上有一滴墨水渍.There is a blot of ink on the paper.这墨水渍擦不掉.This ink stain won't rub out.那男孩的白衬衫上有墨水渍.The boy's white shirt was marked up with spots of ink....