1. 包围：ring finger 无名指 | ring in 包围 | ring off 挂断电话
2. 振铃输入：环磁头 ring head | 振铃输入 ring in | 振铃指示器 ring indicator
3. 上班：102 stay in the ring不要放弃 | ring in 上班 | ring out下班
1. （给工作单位等）打电话
If you ring in, you phone a place, such as the place where you work.
e.g. Cecil wasn't there, having rung in to say he was taking the day off.
塞西尔不在单位，他已经打电话请假了。