Microinregularity
显微不平度
🗣️ 情景例句
Many students are working at part time jobs.
许多学生兼职打工。
My brother and I used to go a lot of places together.
我的兄弟和我过去常一起去很多地方。
Who won the girls' 400 metres?
女子400米赛跑谁获胜？