名词
中文翻译：Unknown
同义词：
['1. nausea', 'vomiting']
例句：
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1. The cold gagging made him feel sick to his stomach.
寒冷引起的呕吐使他感到胃部不适。
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2. He had a terrible cold and was constantly sneezing and coughing.
他得了重感冒，不停地打喷嚏和咳嗽。
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3. She felt a chill in the air and immediately started shivering.
她感觉到空气中的寒意，立刻开始颤抖。