Nitroazobenzene
[化] 硝基偶氮苯
🗣️ 情景例句
Are you involved in any extra-curricular activities on campus?
你在学校参加过任何课外活动吗？
When the lights went out, I was washing my hair.
当熄灯的时候，我在洗头。
At that moment, everybody began to laugh and sing.
此时，大家已经笑了起来，同时唱起了歌。