Destannification
脱锡(锡青铜的一种选择性腐蚀现象)
🗣️ 情景例句
Saving them for today?
留着等今天？
Henry got a toothache and asked to be excused.
亨利牙疼，请求离开一下。
The factory has been there for several years.
这家工厂在那儿已有好几年了。