astronomical

柯林斯词典

1. ADJ If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large. 天文數字般的 (數量，尤指花費)[強調]
Houses in the subdivision are going for astronomical prices. 該小區裡的房子在以天價出售。
2. ADJ Astronomical means relating to astronomy. 天文學的
...the American Astronomical Society. …美國天文學會。