Diethoxalic acid
[化] 4-羟基己酸; (俗称)二乙草酸
🧩 词语组成解析
🗣️ 情景例句
When you feel your life is threatened, just dial 999 to get help.
当你的生命受到威胁的时候，拨打 999 求救。
How many more minutes will it take for the train to arrive?
火车还要多少分钟就要到达呢？
That's right.
是的。