Nitroanthraquinone
[化] 硝基蒽醌
🗣️ 情景例句
How was your school-board meeting last night?
昨天晚上你们的联合校董会会议开得怎么样？
I ought to go right away.
我应该立刻去。
Yes, we can supply this for you.
嗯，这个有。