音标发音英式音标 [ˌɑː.piːˈem]美式音标 [ˌɑːr.piːˈem]英式发音 美式发音 基本解释每分鍾轉速，轉／分（revolutions per minute的縮寫）。同根派生 rpm相关词英英字典劍橋英英字典 abbreviation for revolutions per minute: used when stating the number of times something goes round during a minuterpm剑桥字典rpm柯林斯字典