Sima
n. [地]硅镁层
✅ 同义词
🗣️ 情景例句
How about next Saturday?
下周六如何？
I will be leaving the hospital in December.
我将在十二月份出院。
Oh! Is that a ball? Aren't all balls round?
噢，那是个球吗？难道所有的球不都是圆的吗？