Hras
[医][=high-rate activated sludge waste treatment]高速活性污泥废水处理
🗣️ 情景例句
Closed for repairs.
关门整修。
As a senior, Peter is writing his thesis.
作为大学四年级学生，彼得正在写毕业论文。
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。