Wreathing
螺旋状纹(注浆成形在制品内表面出现的缺陷)
🗣️ 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
Excuse me for being late.
对不起我迟到了。
Please tell Mr Hu that I am working hard on my Chinese.
请告诉胡先生，说我正在努力学习汉语。