Ethynylbenzene
[化] 乙炔基苯
🗣️ 情景例句
He was ill at ease at her birthday party.
他在她的生日宴聚会中心神不宁。
I get up before six o'clock every day.
每天我六点前起床。
No, not all of them.
不，没办法全部。