Sn
[计] 顺序号\\n[医] 锡(50号元素)
✅ 同义词
🗣️ 情景例句
Good night, Robbie.
晚安，Robbie。
This country is localed in the southern hemisphere.
这个国家位于南半球。
I was so excited that I wanted to tell the whole world what we had found.
我激动得想要告诉全世界我们发现了什么。