名词
中文翻译：旋翼机
同义词：
['rotorcraft', 'gyroplane']
例句：
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1.The military used gyropters to transport troops during World War II.
在第二次世界大战期间，军队使用旋翼机运输部队。
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2.Gyropters are a popular mode of transportation in many countries.
旋翼机是许多国家流行的交通工具。
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3. The gyropters were designed to be lightweight and maneuverable.
这些旋翼机设计轻便且易于操控。