Thicknesses
n. 层( thickness的复数形式 ); 浓度; 厚（度）; 最厚的部分
🗣️ 情景例句
What is it?
怎么回事
For those of you that didn't hear it, the question was how soon we could expect the product to be on sale.
你们并未听说过，问题是产品多快能上市。
The modern traveller is often a man who dislikes the Splendide and the Bellavista,
现代露营旅游的人往往讨厌住"斯普兰迪德"和"贝拉维斯塔"这样的大酒店，