短语词组短語wear -off conditions 磨損工況friction wear -off 摩擦磨損wear wear off 耗損accelerated wear off test 快速磨損試騐wear off the fat 減肥pill wear off 起球脫落To wear off 損耗i wear off 漸漸減少wear off detail 逐漸消逝;慢慢消失 返回 wear off