大多数海洋腹足纲软体动物在某些幼体阶段形成一种有纤毛的游泳器官。Most marine gastropod mollusks develop a ciliate swimming organ in certain larval stages.因此,研究者转向研究缺乏纤毛的突变异种老鼠的细胞.So the researchers turned to mutant mice with cells that lacked cilia.目的了...
化学产品曾被大量地用于农田。Chemical products were used liberally over agricultural land.媒体大量地报道这些事件只会使问题持续下去.Giving these events a lot of media coverage merely perpetuates the problem.这种假设大量地出现在某些问题中.This is an assumption of great ap...