Incrusting
结壳, 硬皮的形成, 剥落体的形成, 积垢
🗣️ 情景例句
That's very nice of you. Where did you get it? It's not a print.
真细心！你从哪儿弄来的？这还不是复制的呢！
Have you taken a bus?
你坐过汽车吗？
Oh, we must find them. What are they wearing?
哦，我们必须找到她们。她们穿什么衣服？