Tian
(
天
)
Tian
(
天
)
App Store
Google Play
Vocabulary
HSK 7–9 ①
Day 5
边界
New
边界
边界
邊界
bi
ā
nji
è
boundary, border
noun
Again
1
Hard
2
Good
3
Easy
4
Previous word
Space flip · 1–4 grade · ← → move
Next word