Dinol
[化] 重氮硝基酚
🗣️ 情景例句
I know it.
我知道。
Your appointment will be next Thursday at 10 o'clock.
你的约会时间将是下一星期四的10点钟。
Were you in San Francisco at the time of the big earthquake in 1989?
1989年旧金山大地震时，你在那儿吗？