n.救生员
Do you need the help of a lifeguard? 需要救生员的帮助吗?
The lifeguard dived into the sea to save the drowning woman. 救生员跳入海中，拯救溺水的妇女。
Jack is licking his chops about the lifeguard job he will have at the beach next summer. 杰克想到明年夏天将在海滩作救生员工作，心里十分高兴。
