N an informal grouping of militant, mainly anarchist, protesters who act together during anti-capitalism, anti-war, etc, protests, often wearing black hoods and black clothing 黑衫队; 非正规的激进分子团体，主要由无政府主义者组成，在反资本主义、反战争活动中的抗议者，经常戴黑色头巾穿黑色衣服
Several little simple colures come into being their appearance and state, on which the black block is painting smoothly with most simple colure, as truly appears anxiety and confusion of the girls.
而上面的黑色块，也只是最简单的颜料平涂，却正好暗示了少女的焦灼和困惑。
While architecture considers an architectural building block a black box, design deals with the configuration, customization, and internal workings of an architectural building block.
体系结构将体系结构构建块视为黑盒，而设计则处理体系结构构建块的配置、自定义和内部工作。
To eliminate this effect, you can place a small piece of opaque material or black foam just long enough to block the direct part of the light from hitting your subject.
为了消除这种效果，可以在闪光灯灯头上加一片不透明材料或黑色塑料泡沫板做的遮光片，以阻挡扩散的光线照射到被摄体。
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