noun 下载 🔗分享 组氨酸 An essential amino acid C6H9N3O2 found in most animal proteins; essential for tissue growth and repair. Examples : "A diet lacking histidine can hinder tissue repair, especially after a workout or injury. " 饮食中缺乏组氨酸会阻碍组织修复,尤其是在锻炼或受伤之后。 biochemistry biology compound substance medicine physiology science food body organism 与AI对话词汇游戏阅读练习