Ethinylation
乙炔化
🗣️ 情景例句
Tony is a man of weak will.
托尼是个意志薄弱的人。
Is this toothpaste on sale today?
这支牙膏今天是削价出售的吗？
I will continue my learning, though I am tired of learning English.
尽管我很烦英语，我还是要学它。