U know the rings that you use (usually children) when swimming, it helps u float on the water.
Looks like donuts, and ur body pop out in the middle and use it to float.
收錄日期: 2021-05-01 13:44:36
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110725042340AAV7rYy