n. 镶嵌;环境;装置;(某事、戏剧、小说等的)背景;
v. 放( set的现在分词);安插;树立;安排;
sett安置好 + ing 名词后缀→ 安装,调整;环境
🗣️ 情景例句
That's it. There.
很好。啊。
Do you usually do arithmetic on Sunday?
你通常在星期日做算术吗?
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.