我们用来探测系外行星的工具在不断进化,突破了我们认为可能的界限。
Sometimes you have to be a little bit naughty.
渔业现代化不是抛弃传统,而是让传统智慧与科技结合。
The end of all our exploring will be to arrive where we started and know the place for the first time.
The greatest gift is the gift of life itself.
政策辩论应以严格的实证分析为基础。