英语词汇“useful life span”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	useful life span
释义	useful life span 有效寿命
随便看	fishfinger fish-fingers fishfingers fish fingers fish flake fish flavor fish flavour fish flesh fishflies fish-flies fish flies fish flour fish-fly fish fly fishfly fish-food fish food fish-foods fish for fish for compliments fish for information fish fork fish forks fish freezing vessel fish fries 仑2 仒仓仓1 仓2 仓3 仓4 仓卒主人仓卒之际仓皇出逃ひと熅れひと熱れひと目ぼれひと目惚れひと眠りひと知れずひと知れぬひと纏めもたす【持たす】もたせかける