动词短语
中文翻译：节食
同义词：
['on diet', 'on a weight loss plan', 'on a low-calorie diet例句：1. She decided to go on a diet after her surgery.（她决定在手术后开始节食。）']
例句：
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1. She decided to go on a diet after her surgery.
她决定在手术后开始节食。
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2. He's on a diet because he wants to lose weight.
他正在节食，因为他想减肥。
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3.I've been on a diet for the past two weeks to lose some weight.
我过去两周一直在节食以减肥。