Octadecyne
[化] 十八炔; 十八碳炔
🗣️ 情景例句
It's a pleasure to meet you.
认识你是我的荣幸。
Love is not to be found in the market.
爱情在市场上是找不到的。
Will you please have the check certified?
那么请开保付支票好吗？