Schallerite
砷硅锰矿
🗣️ 情景例句
I'm delighted to meet you, Mr. Peter.
皮特先生，很高兴认识你。
Which umpire will referee the baseball game?
不知道哪一个裁判要执法这场棒球赛？
You'll have to wear this hard hat for the tour.
参观时必需戴上这安全帽。