lifeguards
n. 救生员；警卫
vi. 当救生员
复数 lifeguards
例句
Choose the areas with safety facilities and lifeguards.
选择有安全设施和救生员的地方。
All the lifeguards on the bank should be required to pull together to stop kids swimming alone in the river.
岸上所有的救生员要齐心协力，防止孩子们单独在河里游泳。
Are there any lifeguards?
这里有救生员吗？
