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- Judy knows astronomy inside out. 朱迪对天文学非常精通。
- Physics and astronomy are cognate sciences. 物理学和天文学是相关联的科学。
- It has come within the range of practical politics. 这就属于可实施性政治的范围了。
- Practical experience belies this theory. 实际经验证明这个理论是错误的。
- Your invention is not practical. 你的发明不实用。
- Astronomy, as distinct from astrology, is an exact science. 天文学是一门严谨的科学，与占星术完全不同。
- For all practical purposes, it was useless. 实际上它毫无用处。
- He represented the plan as practical. 他声称计划切实可行。
- Mathematics and astronomy are cognate sciences. 数学和天文学是互相关联的科学。
- He gave sound and practical advice. 他提出了很好的，实际可行的建议。
- At first thought, the plan was quite practical. 乍一想,这一计划还相当实用。
- Practical experience is often very important. 实际经验往往是很重要的。
- practical astronomy 实用天文学
- Astronomy inherits from astrology . 天文学是由占星学演变而来的。
- It can refer to an academic subject or a practical skill. 这一词既可指某一学科也可指某种技能。
- One that specializes in astronomy. 天文学家专门从事天文学研究的人
- Your invention is very practical. 你的发明物很实用。
- X-ray astronomy has made impressive progress. X射线天文学已取得了引人注目的进展。
- Biology has practical applications. 生物学有实用性。
- He is said to be the founder of modern astronomy. 他被誉为现代天文学的奠基人。
