Thicknesses
n. 层( thickness的复数形式 ); 浓度; 厚（度）; 最厚的部分
🗣️ 情景例句
Not a bad slogan.
不错的标语。
A discount of six percent is all that I'm authorized to offer you.
6%的折扣是我权限内所能给你的。
Can't you see? Look! It has an egg in it.
你没看见吗？瞧！里面有一只蛋。