Sarmientite
[矿]砷铁矾
🗣️ 情景例句
These knives are guaranteed never to go blunt.
这些刀保证不会变钝。
The problem is that my boss says he can't keep my job open for me.
可问题是老板说他无法继续保留我的工作。
What's your plan for the summer vacation?
你暑假打算干什么？