Thicknesses
n. 层( thickness的复数形式 ); 浓度; 厚（度）; 最厚的部分
🗣️ 情景例句
Here's something for you.
这有东西送你。
A wise man thinks all that he says,a fool says all that he thinks.
聪明人想了才说，愚笨的人想着就说。
Thanks very much. Bye.
太谢谢你了。再见。