P-nitroacetophenone
[化] 对硝基苯乙酮
🗣️ 情景例句
And then branched out into other sports products.
然后逐渐扩展出其他的运动产品。
John has extracurricular activities. He's on the football team.
约翰有课外活动。 他参加了足球队。
Good job!
做得好！