Schefferite
锰钙辉石
🗣️ 情景例句
You made a tough decision.
你做了一个困难的决定。
Would you please tell Mr. Cooper I called?
请您告诉库珀先生我打电话了？
It's my birthday, and I'm going to have a party. Didn't you know?
我的生日聚会，我计划举办一个聚会。你不知道吗？