The result of all the forces balancing on the wing is the capacity of the paraglider to fly steadily in a gradual downward sloping direction.是什么意思_The result of all the forces balancing on the wing is the capacity of the paraglider to fly steadily in a gradual downward sloping direction.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句