Amidpulver
酰胺粉, 硝铵, 硝酸钾, 炭末炸药
🗣️ 情景例句
No. I'm from Shanghai.
不是，我是从上海来的。
Everything comes to him who waits.
安心等待必有好处。
A great many goods were sent to the exhibition from various parts of the world.
大量的商品从世界各地运送到了博览会，