lifeguards造句
Children swim at the pool, under the watchful eye of
lifeguards.
孩子们在救生员的监护下在水池里游泳。
The
lifeguards must be trained to deal with any sort of emergency.
救生员一定要接受训练,学会应付各种紧急情况.
Most of the cases occur at beaches without
lifeguards.
其中大部分都是发生在无人看守的海边.