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1·Cannel coal is dull black.

烛煤呈暗黑色。

2·The dull black gray of its walls looked like a tooth after the nerve has been killed.

围墙是一片惨淡的枯黑，仿佛是一枚抽去了神经的龋齿。

3·CFRP is a dull black material which has a chemical structure similar to that of diamonds.

碳纤维增强塑料是种暗黑色材料，化学结构与砖石相似。

4·The stamp was a dark, dull blue colour with a heavy black postmark.

这枚邮票是模糊的暗蓝色的，上面盖着一个粗黑色的邮戳。《柯林斯英汉双解大词典》

5·Hurstwood's shoes were of soft, Black calf, polished only to a dull shine .

赫斯渥脚上穿了一双黑皮鞋，是用柔软的小牛皮做的，只擦得微微发亮。

6·It was not dull grey as distance had suggested, but a mottle of khaki and black and olive-green.

那其实不是从远处看起来的暗灰色，而是黄褐色、黑色和橄榄绿组成的杂色。

7·While some colors are dull by themselves, such as black, or gray, their juxtaposition with, for example, orange, can create outstanding effects.

然而，很多颜色的色调偏暗，如：黑色、色，使用如橙色这样的颜色与它们搭配可以突出其效果。

8·A wan sun came onto his face, making the black skin shine like dull metal.

淡淡的阳光照到他的脸上，使他的黑皮肤象一块没有光泽的金属一样闪亮。

9·The woman standing behind a bald man in black, his right hand and took the knife ruthlessly in woman body patch two knives, look dull after looking at women's forward peristalsis.

这名女子身后站着一名秃顶黑衣男子，他右手拿刀狠狠地在女子身上补了两刀，之后神情呆滞地看着女子向前蠕动。

10·The naked eye can be observed in the paint black hair, pale, dull appearance.

肉眼可观察到车漆发乌、发白、无光泽表象。