🗣️ 情景例句
It's no big deal.
没什么大不了的。
A friend is not so soon gotten as lost.
交友慢，失友快。
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。