Cosmic radiation is proportional to altitude---the higher the altitude, the intenser the radiation is.And the more radiation one is exposed to, the higher the chance for him/her to get a cancer.是什么意思_Cosmic radiation is proportional to altitude---the higher the altitude, the intenser the radiation is.And the more radiation one is exposed to, the higher the chance for him/her to get a cancer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句