哪个

nǎ ge which; who

医院

yī yuàn hospital; CL:所[suo3],家[jia1],座[zuo4]

可以

kě yǐ can; may; possible; able to; not bad; pretty good

治疗

zhì liáo to treat (an illness); medical treatment; therapy

寄生虫

jì shēng chóng parasite; drone

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