Thomasite
磷硅铁钙石
🗣️ 情景例句
I'm sorry to have caused you so much inconvenience.
给你造成诸多不便，我很抱歉。
Do you ever play basketball after school?
你曾经在放学后打篮球吗？
Not that long ago!I'm not more than twenty-nine myself.
不，没有那么久。我自己现在还没29岁呢。