At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.Microspore abortion occurred after the tetrad formation.小孢子败育发生在四分体形成以后...
这座古建筑的由来已经失传了.The origins of this ancient structure are lost in antiquity.“那就是你脸上那道伤疤的由来？”贝丝好奇地问道。"Is that how you got that scar on your face?" Bess asked curiously.其名字的由来鲜为人知。The derivation of its name is obscure....
James accepted the generously salaried job at the bank.詹姆斯接受了那份银行的高薪工作。Season the steaks generously with salt and pepper.给牛排多加些盐和胡椒调味。They generously accorded me permission to use their library.他们慷慨地允许我使用他们的图书馆....