The Hawk 4 Gyroplane is supported in the air by a horizontally mounted airfoil similar to that of a helicopter but unpowered.是什么意思_The Hawk 4 Gyroplane is supported in the air by a horizontally mounted airfoil similar to that of a helicopter but unpowered.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句