Ultrapurification
超提纯
🗣️ 情景例句
I'm afraid I didn't get on very well in the exam.
我这次考试恐怕不太顺利。
Medicines are not meant to live on.
不能靠药物度日子。
He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.
他发现了缠绕在16，000伏高压线上的一条死蛇。