大多数禾本科胚有一片瓣 状 结构通常称为外胚叶.Most grass embryos have a flap - like structure known as the epiblast.目的: 研究少汗性外胚叶发育不全引起先天缺牙的ED1基因突变.Objective : To detect ED 1 gene mutation in three hypohidrotic ectodermal dysplasia ( HED ) nuc...
他追查到了堂弟和叔叔的下落，发现叔叔这时正在病中。He tracked down his cousin and uncle. The latter was sick.自由下落表演a free fall display我们没费什么口舌就让她说出了他的下落。It didn't take much persuasion to get her to tell us where he was....
He's a man of few words, very polite and unassuming.他话不多，很有礼貌，为人谦和。He was a small and to all appearances an unassuming man.他个子小，看上去不事张扬。Despite his position, he has an unassuming personality.虽然有地位, 但他为人谦逊....
Some suppliers were selling at a loss to shift stock.一些供应商赔本销售存货。My throat was dry. I was at a loss for words.我喉咙很干，不知说什么才好。I was at a loss for what to do next.下一步该怎么做，我完全没谱。...
他上了冒牌保险业务员的当.He was taken in by the fake insurance salesman.他是一位很有能力的业务员, 可不是 吗 ?He's a capable businessman, is he?业务员必须认真地把他们招揽来的会议业务与其他需要占用旅馆场所的业务协调起来.The salesmen must coordinate their efforts carefully with othe...
The damage it would cause makes the idea utterly impracticable.这个想法可能造成损害,以致根本不能采纳.And it may leads to impracticable structure and coast risks in the rainy and efflorescence areas.并且对于降雨强度高、岩土易风化的地区,工程结构很容易被架空,存在滑坡等风险.Th...