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
Get it?
明白吗？
There is safety in numbers.
人多势众。
It's time I went and picked up my little girl from school.
我该去学校接我的小女儿了。