adj.天文学的;极其巨大的;
例句:
He's been offered an astronomical salary.
有人出巨额薪水聘请他.
Houses in the village are selling for astronomical prices...
乡村的房价正在飙升。
His wife was astonished at the astronomical sum of money he had spent.
他的妻子被他花的天文数字的钱款惊呆了.