astronomic scale 天文规模
astronomic proportions 天文比例
astronomic sums 天文数字
A: Did you see the bill for the repair?
A：你看过修理账单了吗？
B: Yes, the amount is astronomic!
B：看了，金额简直是天文数字！
1) Relating to astronomy
2) Extremely large in size or amount
1. 天文学的
2. 极大的，天文数字般的
adjective
1. relating to astronomy or very large in size or amount
Synonym: astronomical