柯林斯词典trial run (trial runs) 1. N-COUNT A trial run is a first attempt at doing something to make sure you can really do it. 试运行 返回 trial run剑桥词典a practical test of something new or unknown to discover its effectiveness 试行；试验；试用 We're holding a tournament in the new ice-hockey stadium , as a trial run for next year's Winter Olympics. 我们将在新的冰球场承办一次锦标赛，作为明年举办冬奥会的一次测试。 返回 trial run