An expert swimmer trained and employed to watch over other swimmers, as at a beach or swimming pool.

救生员经过训练的游泳专家，受雇照看其他的游泳者，例如在海滩上或游泳池旁。

youdao

Now I'm not an expert swimmer but I do know a good dive from a poor one, and this was not exactly medal quality.

我虽然不是专业游泳运动员，但是我还知道什么样的入水姿势是正确的。

youdao

Now I'm not an expert swimmer but I do know a good dive from a poor one, and this was not exactly medal quality.

我虽然不是专业游泳运动员，但是我还知道什么样的入水姿势是正确的。

youdao