Nitroanthracene
[化] 硝基蒽
🗣️ 情景例句
What time is it?
现在是什么时间了？
No, he doesn't.
不，他没有。
He's doing well in all his lessons. He's not lazy. He'll do very well in the exams.
他各门功课都学得很好。他从不懒。他考试会考得很好的。