What does 备用 mean?
备用
spare; backup; standby
Its characters
- 备 to prepare
- 用 to use
In a sentence
出门最好带一个备用电池。 It's best to bring a spare battery when you go out.
More words with 备 or 用
Keep 备用 for Review
A free account keeps it, and Review brings it back just before you’d forget it.
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