备用

bèiyòng

HSK 6

备用 — bèiyòng

1. spare; backup (kept for use if needed)

   我有一块备用电池。 wǒ yǒu yīkuài bèiyòng diànchí — I have a spare battery.

2. to set aside or reserve for future use; to keep as a backup

   你应该把一些钱备用，以防万一。 nǐ yīnggāi bǎ yīxiē qián bèiyòng yǐfángwànyī — You should set aside some money as a backup, just in case.