The chalazal megaspore of a linear tetrad develops into a polygonum type sac.四分体线行排列,合点端的大孢子发育为蓼型胚囊.The heart sounds are muffled when the pericardial sac is distended with fluid.当心包充满液体时心音减弱.With embryo sac haustoriumcha...
能散风寒, 通鼻窍,主治头痛 、 鼻塞不通和齿痛等症.Powder can be cold, nose - obsessed treat headache, stuffy nose unreasonable pain and tooth infections.尤其是那些年级大的人, 发现他们的生活被齿痛所困,无法正常饮食.The elderly , in particular, can find their lives racked b...
The rocket tumbled out of control shortly after lift-off.发射后不久，火箭就失控坠落了。The man tumbled over backwards.那个人向后摔倒了。He slipped and tumbled down the stairs.他脚一滑滚下了楼梯。...