Pyrodust
二磷酸四乙酯
🗣️ 情景例句
I want to have a personal interview with him.
我想和他直接面谈。
The law is not the same at morning and at night.
早上的法令跟晚上的不一样；朝令夕改。
His previous attempts had been unsuccessful.
他以前的尝试没有成功。