the thematic structure of a text文本的主题结构Please assemble this material into thematic groups.请按主题将这些材料整理分类。The volume may be approached from several thematic directions.研究本书可以从几个主题着手....
一群绿鹦鹉从杉木林里疾速飞出。A flight of green parrots shot out of the cedar forest.鸽子们低声咕咕地叫着，扑扇着翅膀飞进飞出。Pigeons fluttered in and out, cooing gently.烟囱里飞出无数火星。A shower of sparks flew up the chimney....
微管促使我的思考有丝分裂的机制.Microtubules have dominated our think about the mitotic mechanisms.构成微管的蛋白质叫做微管蛋白.The protein out of which microtubules are made is called tubulin.对于微管组来说,它也许是更好的,但不是必需的条件.It may be a sufficient but not n...