amoeba的复数形式怎么拼写

The amoeba is a very simple organism.变形虫是很简单的生物体.An amoeba forms a cyst when conditions are unfavourable.当环境不利时,变形虫产生包囊.The amoeba, a denizen of fresh water, is such a case.变形虫, 一种淡水生物, 就是这种情况....

n.阿米巴，变形虫adj.变形虫的...

amoeba的音标：amoeba的英式发音音标为：[ə'mi:bə]amoeba的美式发音音标为：[ə'mibə]...