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Words
Kanji
研
发
【
yán
fā
】
HSK 6
research and development
to develop
研
发
【
yán
fā
】
HSK 6
research and development
to develop
研
HSK 4
3
含义
grind, rub; study, research
拼音
yán
Details
发
HSK 2
含义
issue, dispatch, send out; hair
拼音
fā
Details
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