Thicknesses
n. 层( thickness的复数形式 ); 浓度; 厚（度）; 最厚的部分
🗣️ 情景例句
Since I retired,
自从我退休以后，
He conducted himself nobly.
他持身高尚。
and however well society, and our doctors, look after us.
不管社会和医生怎样对我们进行精心照顾，