Dioxirane
n. [化]双环氧乙烷
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
What excuse could he have for being so rude?
他做了那样无理的事，将如何辩解呢？
What's that?
那是什么日子？