Decynoicacid
[化] 癸炔酸
🗣️ 情景例句
I'm really concerned about going away for the weekend, Ellen,
我这个周末出门实在放心不下， Ellen，
Could you tell me where is the exit?
你能不是告诉我出口在哪里？
I'm really looking forward to this.
我期待这次参观已久了。