Pentaene
[化] 五烯
🗣️ 情景例句
Don't talk with your mouth full.
嘴里满是东西时别说话。
If you want to be healthy, you have to stop smoking cigarettes.
如果你要身体健康的话，必须停止抽香烟。
Come on, Wu! shouted the Class 1 students. Oh! Bad luck!
“快！快呀！吴鹏！”1班的学生喊道，“啊！真倒霉！”