roller wheel

• 滚轮

roller wheel的用法和样例：

例句

1. Read about the request for mouse wheel support.
   中阅读关于鼠标滚轮支持的请求。
2. One would tend to believe a scroll wheel is just another scroll wheel.
   一会倾向于相信一个滚轮，只不过是另一种的滚轮。