A black man
黑人───Black;一个───One
It was a cold, black night.───那是一个寒冷而漆黑的夜晚.
She wore a sleek little black dress.───她穿了一条有光泽的黑色连衣裙.
Clouds of thick black smoke billowed from the car's exhaust.───从汽车排气管冒出一股股黑色浓烟。
Light and heat are sent off , together with heavy smoke, and soon only black charcoal is left.───光和热随着浓烟一起发出, 不久就只剩下黑色的木炭了.
A field of burning grass is billowing thick black clouds of smoke into the sky.───一片燃烧着的草冒出的滚滚黑烟直冲云霄.
Although there is no overt hostility, black and white students do not mix much.───虽然黑人学生与白人学生之间没有公开的敌意，但他们也不怎么来往。
Through his lack of attention to the game he had put his white stone into a " tiger's mouth " formed by three black stones.───由于他漫不经心地下棋,他的白子掷到黑子的 虎口 里去了.
Motorists are warned to take extra care this morning because there is black ice on many roads.───汽车驾驶员被告诫今天早上要特别小心,因为许多路上有透明薄冰.