形容词
中文翻译：平静的
同义词：
['calm', 'composed', 'serene']
例句：
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1. He walked into the room with a calm expression on his face.
他平静地走进房间。
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2. The calm before the storm was unsettling.
暴风雨前的宁静令人不安。
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3. She remained calm under pressure and solved the problem successfully.
她在压力下保持冷静，成功地解决了问题。