百度

Bǎi dù Baidu, Internet portal and search engine, www.baidu.com, listed as BIDU on NASDAQ since 1999

寄生虫

jì shēng chóng parasite; drone

推广

tuī guǎng to extend; to spread; to popularize; generalization; promotion (of a product etc)

教学

jiào xué to teach; teaching and learning; education; CL:門|门[men2],個|个[ge4]

视频

shì pín video

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