动词
中文翻译：挂念
同义词：
['care about', 'be concerned about', 'worry about']
例句：
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1. I'm really worried about my friend's health.
我真的很担心我朋友的健康。
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2. She cares about her family very much.
她非常关心她的家人。
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3. We should all be concerned about the environment.
我们应该都对环境表示担忧。