If you want to traverse across flats, manage to have an aerodynamic position.You can achieve an aerodynamic position by stooping forward while you put your hands behind your back.是什么意思_If you want to traverse across flats, manage to have an aerodynamic position.You can achieve an aerodynamic position by stooping forward while you put your hands behind your back.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句