Acridanyl
二氢化吖啶基
🗣️ 情景例句
Only one hundred and twenty-one votes!
仅仅一百二十一票！
My schedule is very flexible, and I am given a lot of freedom.
我的工作表很有变通性，使我十分自由。
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。