Hypoellipticity
次椭圆性
🗣️ 情景例句
I'd like an advance copy of the book, though,
但我想要一本新书的试印本
I took one quart of oil.
我拿了一夸特油。
Come on, Wu! shouted the Class 1 students. Oh! Bad luck!
“快！快呀！吴鹏！”1班的学生喊道，“啊！真倒霉！”