Sabstratum
(颜料形成的)胶层
🗣️ 情景例句
We'll do it!
我们就来进行吧！
There's no such thing as a free lunch.
天下没有白吃的午餐。
I'm sorry. I didn't know you wanted it. What a shame!
抱歉。我不知道你想要它。真可惜！