名词
中文翻译：成年人
同义词：
['adulescent', 'adulterous', 'senile', 'mature', 'juvenile']
例句：
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1. Adults should be responsible for their own actions.
成年人应该对自己的行为负责。
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2. The elderly are often looked after by family members.
老年人常常由家庭成员照顾。
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3. Adults must follow the rules and regulations of the workplace.
成年人必须遵守工作场所的规则和规定。