Nonclogging
不堵塞的
🗣️ 情景例句
I've heard a great deal about you.
久仰大名。
He that never climbed never fell.
不向上爬的也不会下跌。
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。