名词
中文翻译：救生员
同义词：
['lifesaver', 'lifeguard', 'lifeboatman', 'lifeboatman']
例句：
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1. The lifeguard was called to the scene immediately after the accident.
事故发生后，救生员立即被叫到现场。
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2. The lifeguard had to jump into the water to save a drowning child.
救生员不得不跳入水中去救一个溺水的孩子。
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3. The lifeguard stood by the edge of the cliff, ready to jump in if needed.
救生员站在悬崖的边缘，随时准备跳下去。