Percrystallization
[机] 透析蒸馏
🗣️ 情景例句
I wonder what the problem is.
我不知道发生了什么问题。
Sweep before your own door.
先律己，后律人。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。