An astronomer using the array can peer deep into the core of a quasar some 12 billion light-years distant for an unparalleled close-up of jets of matter shooting out at speeds approaching that of light.是什么意思_An astronomer using the array can peer deep into the core of a quasar some 12 billion light-years distant for an unparalleled close-up of jets of matter shooting out at speeds approaching that of light.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句