Thicknesses
n. 层( thickness的复数形式 ); 浓度; 厚（度）; 最厚的部分
🗣️ 情景例句
I have been a poor student of foreign languages.
外语就学得不好。
Just a minute and I'll see if there are any flights.
等一下，我来看看有没有班机。
'I have just arrive in Scotland and I'm staying at a Youth Hostel.'
“我刚到苏格兰，我现住在一家青年招待所。”