Thicknesses
n. 层( thickness的复数形式 ); 浓度; 厚（度）; 最厚的部分
🗣️ 情景例句
With a piece of meat on a string!
用一根绳子拴着一点肉
He has been to America.
他去过美国。[曾经有过的经验]
Tony speaks English and he plays tennis.
托尼会说英语，打网球。