Tian
(
天
)
Tian
(
天
)
App Store
Google Play
Vocabulary
HSK 7–9 ③
Day 5
失效
New
失效
失效
sh
ī
xi
à
o
to lose effect, to become invalid
verb
Again
1
Hard
2
Good
3
Easy
4
Previous word
Space flip · 1–4 grade · ← → move
Next word