Apjohnite
锰铝矾; 锰明矾
🗣️ 情景例句
I'm glad to help.
我很乐意帮忙。
Where have you been?
你去哪儿了？
Last week, a group of Class 3 students decided to go to the museum in the centre of the town.
上星期，3班的一群学生决定去参观位于城镇中心的博物馆。