他听见从远处什么地方传来打字机的嗒嗒声。From somewhere distant he heard the clatter of a typewriter.最近，她坐在打字机前就开始变得无精打采的。She has recently begun to slouch over her typewriter.她递过来一张表格，随后又立刻埋头在打字机后面忙活起来。She handed over a form, then bobbed dow...
That makes up multicellular organisms.这构成多细胞生物.Apoptosis plays an important role in survival of multicellular organism.摘要细胞凋亡在保证多细胞生物的健康生存过程中扮演著关键的角色.A single - celled or multicellular organism whose cells contain a dist...