他的大屁股坐到了便盆上.He plumped his large posterior into the lavatory pan.派逊斯大声痛快地用了便盆.Parsons used the lavatory , loudly and abundantly.护士: 你不能去卫生间上厕所. 请试一试便盆.N: You need not got to the toilet. Please try the bedpan....
前质体能分化成各具特点的细胞器,如淀粉体, 叶绿体和有色体.The proplastids differentiate to form characteristic organelles such as amyloplasts, chloroplasts and chromoplasts.淀粉体:一种与合成和储存淀粉粒有关的质体.Amyloplast A plastid that synthesizes and stores starc...