手机铃音的英文：
ring tone
n. 环形物；戒指；拳击场；铃声，钟声
v. 包围；成环形；按铃；敲钟；回响；打电话
- There was a ring at the bell.
铃声响了。 - The impulse ring is a composite, magnetized ring.
脉冲环是一个合成磁化圈。 - That ring is certainly the cheese.
那只戒指无疑是精品。 - The lost ring was never found.
遗失的戒指再也没有找到。 - multiple (double) annual ring
复年轮