Tian
(
天
)
Tian
(
天
)
App Store
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Vocabulary
HSK 7–9 ①
Day 18
命题
New
命题
命题
命題
m
ì
ngt
í
proposition (logic), to set questions (for an exam)
noun·verb
Again
1
Hard
2
Good
3
Easy
4
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Space flip · 1–4 grade · ← → move
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