noun 下载 🔗分享 乙基 The univalent hydrocarbon radical, C2H5, formally derived from ethane by the loss of a hydrogen atom. Examples : "The chemistry student learned that ethyl is a building block of many larger molecules, like ethyl alcohol. " 化学专业的学生了解到,乙基是许多更大分子的组成部分,比如乙醇。 chemistry compound substance material science fuel 与AI对话词汇游戏阅读练习