Ethines
[化] 炔烃
🗣️ 情景例句
Anything to drink?
要喝点什么吗？
He always called me as my friend.
他总是以“我的朋友”称呼我。
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人们这才注意到，铺设在码头周围的供应管道上没有贴标签或告示。