Sn
[计] 顺序号\\n[医] 锡(50号元素)
✅ 同义词
🗣️ 情景例句
They ask questions like Do you have any brothers or sisters?.
他们常问一些像“你有兄弟姐妹吗？”。
Every horse thinks his sack heaviest.
每疋马认为自己驮的袋子重。
'No,' she answered.
“不，”她回答。