常見(jiàn)例句The tiny protozoans are believed to be the first animals to have appeared on earth.人們認(rèn)為小原生動(dòng)物是首先出現(xiàn)在地球上的動(dòng)物。Any of the parasitic protozoans that make up the genus Plasmodium, the cause of malaria.瘧原蟲(chóng)屬的寄生原生動(dòng)物的統(tǒng)稱(chēng)，為瘧疾的病原生物。 返回 protozoans