Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ③
Day 29
绿灯
New
绿灯
绿灯
綠燈
l
ǜ
d
ē
ng
green light, go-ahead
noun
Again
1
Hard
2
Good
3
Easy
4
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