动词
中文翻译：体重上升
同义词：
['weight gain', 'increase in weight']
例句：
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1. After a year of dieting, she finally gained some weight.
经过一年的节食，她终于长胖了。
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2. The doctor said that the patient's weight should be monitored closely.
医生说应该密切监测病人的体重。
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3. Many people struggle with maintaining a healthy weight.
很多人努力保持健康的体重。