Slab symmetry
[计] 片形对称
🧩 词语组成解析
slab
[slæb]
n. 厚板，平板，厚片;混凝土路面;
v. 把…分成厚片;用石板铺;
🗣️ 情景例句
This is Mr. Wu in Room 415.
我在415房间，姓巫。
The world is a ladder for some to go up and others to go down.
世界好似一把梯，有人上去有人下。
Dan Robinson has been worried all week.
丹。鲁宾逊焦虑了整整一个星期。