The free-fall method is utilized in order to minimize exposure to cold, the danger of anoxemia (lack of oxygen), and the effects of enemy fire.是什么意思_The free-fall method is utilized in order to minimize exposure to cold, the danger of anoxemia (lack of oxygen), and the effects of enemy fire.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句