colcothar的翻译，读音
英/'kɔlkәθә/
释义：
n. 褐红色铁氧化物
[化] 铁丹
n. Polishing rouge; a reddish brown oxide of iron, used in
polishing glass, and also as a pigment; -- called also crocus Martis.
[化] 铁丹
n. Polishing rouge; a reddish brown oxide of iron, used in
polishing glass, and also as a pigment; -- called also crocus Martis.