Schefferite
锰钙辉石
🗣️ 情景例句
The selection here is very large, it may be difficult to choose.
这里有很多式样可以选，可能很难决定。
Who is going to throw stones?
谁在扔石头？
Where have Jim and Kate gone?
吉姆和凯特去哪儿了？