谷歌

Gǔ gē Google Internet company and search engine

Gǔ gē variant of 谷歌[Gu3 ge1]

留

liú to leave (a message etc); to retain; to stay; to remain; to keep; to preserve

liú old variant of 留[liu2]

liú old variant of 留[liu2]

痕

hén scar; traces

原理

yuán lǐ principle; theory

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