Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ③
Day 27
聚精会神
New
聚精会神
聚精会神
聚精會神
j
ù
j
ī
ng-hu
ì
sh
é
n
to concentrate, to focus intently
idiom
Again
1
Hard
2
Good
3
Easy
4
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