介绍了苯乙酸的生产方法 、 用途及市场.The production process, use and market of phenylacetic acid were introduced.介绍了鉴别氯代乙酸的反应原理和操作方法.Reaction principles of chloroacetic acid detection and its operation Methods: Were introduced.在此反应条件下, 乙...
它猛地朝我的脚脖子咬下去,牙齿还咔咔直响。His teeth clicked as he snapped at my ankle.他的脚脖子被绑在椅腿上。His ankles were tied to the legs of the chair.约翰的脚脖子崴得很严重。John twisted his ankle badly....