Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ③
Day 37
成问题
New
成问题
成问题
成問題
ch
é
ngw
è
nt
í
to be a problem
verb
Again
1
Hard
2
Good
3
Easy
4
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Space flip · 1–4 grade · ← → move
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