形容词
中文翻译：空气的
同义词：
['aerial', 'aerodynamic']
例句：
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1.The pneumatic tire is lighter and more durable than traditional tires.
这种充气轮胎比传统轮胎更轻、更耐用。
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2.The pneumatic pump has a high efficiency rate.
这种气动泵效率很高。
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3.The pneumatic tyres are designed to provide better traction on wet roads.
这种充气轮胎设计用于在湿滑路面上提供更好的抓地力。