形容词
中文翻译：严重的
同义词：
['serious', 'grave', 'earnest', 'seriousness']
例句：
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1.The doctor warned us about the seriousness of the situation.
医生警告我们情况的严重性。
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2.He was serious about his studies and did not waste any time.
他对学习非常认真，没有浪费时间。
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3. The seriousness of the situation required immediate action.
情况的严重性要求立即采取行动。