Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ②
Day 4
长期以来
New
长期以来
长期以来
長期以來
ch
á
ngq
ī
y
ǐ
l
á
i
for a long time, over a long period
set phrase
Again
1
Hard
2
Good
3
Easy
4
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