n.硫化物
=sulfide（美）.
And the sulphide mineral deposits lie directly on the sea floor. 而硫化物礦藏直接坐落在海床上。
The catalysis-acid leaching process of copper bismuth sulphide dregs is introduced. 介紹了用催化酸浸工藝從銅鉍硫化物渣中回收銅。
