Tian
(
天
)
Tian
(
天
)
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Vocabulary
HSK 7–9 ③
Day 37
焦距
New
焦距
焦距
ji
ā
oj
ù
focal length
noun
Again
1
Hard
2
Good
3
Easy
4
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Space flip · 1–4 grade · ← → move
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