Birational
双有理的
🗣️ 情景例句
Right.
对。
I don't remember where I was then.
我不记得那时我在哪里。
Later, an operation helped her to get back part of her sight, but she remained at the institution for six years more.
后来，一次手术帮助她恢复了部分视力。但是，她在这所学校又呆了6年。