名词
中文翻译：Unknown
同义词：
['bubbles', 'bubbles', 'froth', 'foam例句：1. The bubbles on the surface of the water are caused by the air trapped inside.（水面上的气泡是由水里的空气造成的。）']
例句：
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1. The bubbles on the surface of the water are caused by the air trapped inside.
水面上的气泡是由水里的空气造成的。
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2. The bubbles in the milk were caused by the air that had been dissolved in it.
牛奶里的气泡是溶解在其中的气体造成的。
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3.The bubbles burst as soon as they hit the ground.
气泡一碰到地面就爆了。