副词
中文翻译：Unknown
同义词：
['sighing', 'sighingly']
例句：
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1. She sighed deeply as she walked away.
她深吸一口气，走开了。
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2. The old man sighed heavily as he looked at his failing health.
老人看着自己日渐衰弱的身体，深深地叹了口气。
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3. They sighed in relief when the storm passed.
暴风雨过后，他们松了一口气。