► 名詞予備 [(1)よび]
meaning: backup rank: 2☆ 予備の
電池 ⇨ Spare, backup, batteries
More examples:- 予備の飲料水を買って置いた ⇨ I bought some emergency drinking water
- 軍は予備兵を召集した ⇨ The military called up the reserves
- 彼等は予備資金を取り崩すことにした ⇨ They’ve decided to tap into the reserve fund