动词
中文翻译：使膨胀
同义词：
['expand', 'inflate', 'swell', 'expand', 'enlarge']
例句：
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1.The balloon is expanding as it rises higher into the air.
随着气球升得更高，它正在膨胀。
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2. The tires are inflating with each turn of the wheel.
随着车轮的转动，轮胎在充气。
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3.The ocean is swelling with the arrival of spring tides.
随着春天潮汐的到来，海洋正在膨胀。