blackhat黑客
blackadj.黑的;不加牛奶的;很脏的;愤怒的;令人沮丧的;邪恶的;阴沉的;机密的;黑色幽默的n.黑色;黑人;黑色物v.抵制;(使)变黑
Black leather crocodile embossed bracelet.黑色鳄鱼皮压花手镯。
black and white/colour/still photography黑白彩色/静物摄影
blackman-harris window with four coefficients四项Blackman-Harris窗
Black-and-white television is old fashion.黑白电视机已经过时了。
Blackwell Encyclopedic Dictionary Business Ethics布莱克韦尔商业伦理学百科辞典