抖

dǒu to tremble; to shake out; to reveal; to make it in the world

音

yīn sound; noise; note (of musical scale); tone; news; syllable; reading (phonetic value of a character)

搜索

sōu suǒ to search (a place); to search (a database etc)

关键词

guān jiàn cí keyword

优化

yōu huà optimization; to optimize; to make superior

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