► 名詞予備 [(1)よび]
meaning: backup rank: 2☆ 予備の
電池 ⇨ Spare, backup, batteries
控え [ひかえ]
meaning: backup rank: 3☆
彼は
巨人の控え
選手だ ⇨ He’s a backup player for the Giants
☆
書類の控えを
取っておいた ⇨ I made a backup copy of the document
補欠 [ほけつ]
meaning: backup rank: 3☆
彼は
野球チームの補欠だ ⇨ He is a backup for his baseball team