Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ②
Day 30
专著
New
专著
专著
專著
zhu
ā
nzh
ù
monograph, academic book
noun
Again
1
Hard
2
Good
3
Easy
4
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Space flip · 1–4 grade · ← → move
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