Dimethylated
二甲基化的
🗣️ 情景例句
When was it built?
它是什么时候建造的？
The people at the party were worried about Janet because no one was aware of where she had gone.
参加聚会的人们都为珍妮物担心，因为没人知道她去哪里了。
Do you have to water it now?
你一定得现在浇吗？