On January 19, 1968, a thermonuclear test, codenamed Faultless, took place in the Central Nevada Supplemental Test Area.是什么意思_On January 19, 1968, a thermonuclear test, codenamed Faultless, took place in the Central Nevada Supplemental Test Area.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句