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备用

bèi yòng

HSK 6

Meaning

  • reserve
  • spare
  • alternate
  • backup

Definition

准备以后需要时使用。

Reserved for future use; spare; backup.

Usage

通常指为应对突发情况或未来需求而提前准备的物品、方案或资源。

Usually refers to items, plans, or resources prepared in advance for emergencies or future needs.

Examples

  • 1 车上要常备一个备用轮胎，以防爆胎。(A spare tire should always be kept in the car in case of a puncture.)
  • 2 这个方案只是备用，主方案不行时再考虑。(This plan is just a backup; consider it only if the main plan fails.)
  • 3 他带了一台备用手机去旅行。(He took a backup phone on the trip.)
  • 4 备用电源在停电时能提供临时电力。(The backup power supply can provide temporary electricity during a power outage.)
  • 5 你需要准备一些备用资金以备不时之需。(You need to prepare some spare funds for emergencies.)

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