zuò guò yán jiū

做过研究

Meaning

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Authentic Video Examples for “做过研究”

1 example clips
这些呀其实我早就做过研究了
HSK 1
0:03s
zhè xiē ya qí shí wǒ zǎo jiù zuò guò yán jiū leActually, I've already looked into all this.

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