Phosphonitrogen
磷氮肥
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
He always plays the pinball machine.
他通常玩游戏机。
Li Bai is one of the greatest poets that have ever lived in China.
李白是中国有史以来最伟大的诗人之一。