protozoans

常见例句

• The tiny protozoans are believed to be the first animals to have appeared on earth.
  人们认为小原生动物是首先出现在地球上的动物。
• Any of the parasitic protozoans that make up the genus Plasmodium, the cause of malaria.
  疟原虫属的寄生原生动物的统称，为疟疾的病原生物。
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