re.al.gar
n.(名词)A soft orange-red arsenic ore, As2S 2, used in pyrotechnics and tanning and as a pigment. 雄黄,鸡冠石:一种质地柔软的桔红色含砷矿产,As2S 2,在烟火制造和皮革制造中被用作着色剂
来源:Middle English 中古英语 from Medieval Latin 源自 中世纪拉丁语 from Catalan 源自 加泰罗尼亚语 from Arabic rahj al-é3r [powder (of) the mine or cave] 源自 阿拉伯语 rahj al-é3r [矿藏或洞穴的粉末] rahj [powder] rahj [粉状物] al [the] al [定冠词the] ô3r [cave] ô3r [洞穴]