柯林斯词典ticktack /ˈtɪkˌtæk/ 1. N a system of sign language, mainly using the hands, by which bookmakers transmit their odds to each other at racecourses (賽馬場上賽馬登記賭注者間傳達投注賠率的)手勢信號[英國英語] 返回 ticktack