Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ①
Day 18
论证
New
论证
论证
論證
l
ù
nzh
è
ng
to prove (by reasoning), to assess feasibility
verb
Again
1
Hard
2
Good
3
Easy
4
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Space flip · 1–4 grade · ← → move
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