What's that awkward bulge in your pocket?你口袋里那块鼓鼓囊囊的东西是 什么 ?The apple made a bulge in his pocket.苹果把他口袋塞得鼓了起来.These elongate sand bodies are attached to a bulge of the mainland.这些长条形砂体连接于主陆的突出部位.Disfiguring subcutan...
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.The Y chromosome is starting to yield other intriguing tales as well.Y染...