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. 天文数字般的 (数量，尤指花费)[强调]
Houses in the subdivision are going for astronomical prices. 该小区里的房子在以天价出售。
2. ADJ Astronomical means relating to astronomy. 天文学的
...the American Astronomical Society. …美国天文学会。