Let's pack up and get ready to start at once.让我们收拾好行李,准备马上出发.Susan was on the wing doing things to get ready for her trip.苏珊忙碌着为旅行做准备.It's no use complaining about the failure of our experiment; what we should ...
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...
But he could also turn on the style when the occasion demanded.但是如果场合需要，他也能拿出派头来。The teacher demanded adherence to the rules.老师要求学生们遵守纪律.Trade Union leaders have demanded the government rescind the price rise.工会领导已经要求政府阻...