If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.
例句
Houses in the village are selling for astronomical prices...乡村的房价正在飙升。The cost will be astronomical.费用将是一笔天文数字。
ADJ
天文学的;天体的
Astronomical means relating to astronomy.
例句
...the British Astronomical Association.英国天文协会
英汉词典释义
adj.
天文学的,天体的
He was an expert on ancient Chinese astronomical literature.他是研究中国古代天文学文献的专家。Light-year is an astronomical unit.光年是一个天文单位。He was an expert on ancient Chinese astronomical literature.他是研究中国古代天文学文献的专家。
极大的
£200 was an astronomical sum of money in 1547.在1547 年,200 英镑可是一个天文数字。
英英词典释义
Adjective
1. relating or belonging to the science of astronomy;