音标发音英式音标 [ˈreɪ.zə ˌnaɪf]美式音标 [ˈreɪ.zɚ ˌnaɪf]英式发音 美式发音 基本解释剃刀。同根派生 英英字典剑桥英英字典 a sharp knife with a short blade that can be replaced or put inside the handle if not being used