1、After that, we go to the swimming pool. We wear the life buoy and play with the dolphins.
玩完后，我們又到游泳池。戴上救生圈跟海豚一起玩。

2、Throw out to him the life buoy on the right side of the bridge at once.
立即在駕駛臺(tái)的右邊給他扔救生圈。

3、I threw a life buoy to him when I saw his struggling.
看到他在掙扎，我給他扔了一個(gè)救生圈過去。

4、I threw a life buoy to him when I saw his struggling
看到他在掙扎，我給他扔了一個(gè)救生圈過去。

life buoy翻譯