Yachtsmanship
快艇驾驶法
🗣️ 情景例句
Or me?
或者我？
Take time when time comes lest time steal away.
机不可失，时不再来。
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。