黑暗的不和
black diamond───黑金刚石，黑钻石
black disc───黑色圆盘
black discs───黑色光碟
blackfin ciscoes───黑鳍金鱼
black diamonds───煤
black disease───n.黑疫
black ivory───黑象牙色
blacked lead───[矿物]石墨；笔铅
blacked out───v.中断，停止；熄灭灯火；晕倒，昏厥
