Acrylaldehyde
丙烯醛
🗣️ 情景例句
2, 3 , 1, 2, 3, pony, pony... 2 3 1 2 3
小马步 小马步 ……
He has interviewed a lot of people for the job.
他已和许多应征这份工作的人面谈过了。
I'm good at freestyle and breast stroke.
我擅长自由泳和蛙泳。