The duplicates are attached to each other at a constricted region called the centromere.对偶体彼此相连于称为着丝粒的缩小的区域.Following the replication of chromosomes, resultant chromatids remain attached at the centromere.随着染色体的复制, 着丝粒始终...
豪谨慎地和邮政副部长丹尼尔·C.罗珀拉近关系。Howe carefully cultivated Daniel C. Roper, the Assistant Postmaster General.他谨慎地瞥了一眼房间里的其他人。He glanced discreetly around the room at the other people.那两个记者谨慎地保持距离跟在后面。The two journalists followed a...
她快步走了一会儿，以排解心中的沮丧。She went for a brisk walk to work off her frustration.我来备茶，你去歇一会儿吧。I'll make the tea and you pop off for a while.你能把上衣借给我穿一会儿吗？Will you lend me your jacket for a little while?...