Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ③
Day 29
精益求精
New
精益求精
精益求精
j
ī
ngy
ì
qi
ú
j
ī
ng
to keep improving, to strive for perfection
idiom
Again
1
Hard
2
Good
3
Easy
4
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