形容词
中文翻译：空气的
同义词：
['aerothermic', 'aerodynamic']
例句：
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1.The pneumatic tire is 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。
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2.The pneumatic pump is an essential tool for watering plants.
这种气泵是给植物浇水必不可少的工具。
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3. The pneumatic tubes were used to deliver urgent messages during World War II.
在二战期间，这些气动管被用来传递紧急信息。