B . Fraternal Twins Fetuses may be of different sex.异卵双胞胎可能性别不同.The resulting fetuses consisted of either mostly paternally or mostly maternally expressed genes.这样产生的胎儿要么主要是父方的基因表达,要么主要是母方的基因表达.Results CCD and TCD of Nor...
内战阻碍着救援机构对饥荒赈济物资的配给。The civil war is obstructing distribution of famine relief by aid agencies.如果有可能出现饥荒，我们应该提供帮助。If there is a danger of famine, we should help.正常的气候变化因饥荒而成了灾难。The famine turned the normal modulation of ...
The old crone gabbed all day.这老太婆整天喋喋不休.Even if he is a youth of twenty he moves like an ancient crone.他即使是二十岁的青年,行动起来也象个干瘪的老太婆.This crone will not be hushed up any longer.这一罪行再也隐瞒不住了....
The absent-minded professor forgot to get off at Newcastle and was taken on to Edinburgh.心不在焉的教授忘了在纽卡斯尔下车，一直被拉到了爱丁堡。Newcastle went out of the competition, losing 2-1 on aggregate.纽卡斯尔队以1比2的总比分被淘汰出局。Newcastle is far from ...
The PNA molecules can routinely be labeled with biotin or various fluorophores.PNA分子可被生物素和各种荧光团常规标记.Methods Immunohistochemistry was performed by using avidin - biotin peroxidase complex procedure.方法采用链霉素 抗 生物素蛋白生物素过氧化物酶...