Natrum
[化] 天然碱\\n[医] 钠(11号元素)
🗣️ 情景例句
Richard told us all about you.
Richard跟我们谈起你 。
She is the most gracious hostess I have ever known.
她是我所见过的最和蔼的女主人。
He led them down the mountain.
他带他们下山。