Aldehydene
乙炔
🗣️ 情景例句
Yes. I'm checking out now, and want to get a taxi to the cinema.
我现在要退房，需要一部出租车到电影院。
Do you have difficulty matching you feelings with words?
你是很难把自己的心意用言语表达吗？
I am, Miss Zhao, said Wei Hua. Today is Saturday, September 19th.
“是我，赵小姐，”魏华说，“今天是9月19日，星期六。