单词:ferric chlorate
氯酸铁
单词:ferric chlorate 相关文章
The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松(松树)制成, 在液体的石蜡
发表于:2018-12-18 / 阅读(70) / 评论(0)
英国学生科学读本