life ring meaning in Chinese

救生圈
救生索环

The life ring is my best friend when i swim
我的游泳圈是我游泳时的最好朋友。
We had life jackets and life rings , but the life rings took off when we jumped into the water
5个人上了救生艇，我们用一对绳子将救生艇绑到拖船上。
We had life jackets and life rings , but the life rings took off when we jumped into the water
我们穿上救生衣和救生圈，但救生圈在我们跳入海里时脱落了。