Saliter
硝石, 钠硝, 硝酸钠
🗣️ 情景例句
She'll love it. It's a once-in-a-lifetime offer, Harry.
她也会喜欢的。这是个千载难逢的机会， Harry。
We are not born for ourselves.
人生非为己。
Excuse me.Where's the nearest post office, please?
请问。最近的邮局在哪里？