Hexametapol
[化] 海姆帕; 六甲基磷(酸三酰胺)
🗣️ 情景例句
Did you make any long distance calls this morning, or did you sign for your breakfast?
您今天早上没有打长途电话或吃早餐记账？
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
Is it broken?
弄坏了吗？