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)

seo 软件

ruǎn jiàn (computer) software

工具

gōng jù tool; instrument; utensil; means (to achieve a goal etc)

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