名词
中文翻译：Unknown
同义词：
['protector', 'guardian', 'protector', 'watchman']
例句：
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1.The policeman was a guardian to the children in the park.
警察是公园里孩子们的监护人。
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2. The teacher is our guardian angel.
老师是我们的守护天使。
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3. He is a guardian of his family's honor.
他是他家荣誉的守护者。