Thicknesses
n. 层( thickness的复数形式 ); 浓度; 厚（度）; 最厚的部分
🗣️ 情景例句
A house like this in Riverdale costs double the price.
在Riverdale像这样的房子价格要贵一倍。
Don't forget to put stamps on the letter before you mail it.
不要忘记在寄信以前把邮票贴在信封上。
It's a book.
一本书。