Of all the discoveries of the outer atmosphere made possible by rockets and satellites, few equal in importance the revelation of the high radiation belt by Van Allen in 1958.是什么意思_Of all the discoveries of the outer atmosphere made possible by rockets and satellites, few equal in importance the revelation of the high radiation belt by Van Allen in 1958.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句