Dimethoxy
二甲氧基
🗣️ 情景例句
Did you do anything special?
你们做了什么特别的事情吗？
That's not true.
那不是真的。
Though he managed to take a number of brilliant photographs, he could not stay near the volcano for very long.
尽管他设法拍了一些十分精彩的照片，但他却不能在火山附近停留太长的时间。