嘴唇颜色比较暗，发黑的原因？
该皮带管似乎有同样的发黑的全过程。
可满足工业生产的高质量发黑的需要。
他头发黑的，而且戴眼镜。
显影后，入射光就在表层产生了发黑的银粒子。
After development, incoming light produces blackened silver granules in the layer.
阐述了黄铜氧化发黑的原理，介绍了发黑液的配制。
The fundamental of blackening of brass by oxidation was described.
通过改进密封函填料配方解决了活塞杆过热发黑的问题。
The problems such as overheat and blackening of the piston rod are solved by means of improving the composition of packing in the sealing box.
班塔姆·莱昂斯用指甲发黑的黄色手指打开了报纸卷儿。
Bantam Lyons 'yellow black nailed fingers unrolled the baton.
飞机作这样的急速下降本来是会使缺乏经验的人眼前发黑的。
A steep descent in an airplane like this would have blacked out a fledgling.
房门左边有一块发黑的地板，上面放着一个臭气熏天的木桶。
By the door to the right there was a dark spot on the floor on which stood a stinking tub.
喷嘴是完全发黑的，与最热门的地区正在那里喉咙会见不同的区段。
The nozzle was entirely blackened, with the hottest region being where the throat meets the divergent section .
详细介绍了钢铁常温发黑的原理、配方、工艺过程及常见故障的排除。
The fundamental of blackening process as well as its formula, procedure and trouble-shooting cases was described in detail.
在他们的更上方，是绿得发黑的大山，深沉的光线压在我们的视线之中。
In the above them, is green to dark mountains, deep light pressure at the sight of us.
因为她的皮肤还是雪白的，她的脸颊还是玫瑰红色，她的头发黑的像乌木。
For her skin was Snow White, her cheeks rosy red, and her hair black as ebony.
我瞥了一眼水面上漾着的那层发黑的泡沫，就打定主意这一天就脏着脸过了。
I gave one glance at the black scum on top of the water, and decided to go dirty for the day.
戴口罩等化妆及面对煤烟原本发黑的方式隐藏自己的神的死难者可能流连。
Wearing masks and other disguises and blackening the face with soot were originally ways of hiding oneself from the spirits of the dead who might be roaming around.
他粗糙的双手，被太阳哂得发黑的健壮四肢，均表明他十分辛勤，非常耐劳。
His harsh hands and sinewy sunburnt limbs show labor and endurance.
这之后很快王后就拥有了一个女儿，她很白，有着红润的脸颊，头发黑的像乌木；
Very soon after this the queen had a little daughter who was very fair, had rosy cheeks, and hair as black as ebony; and they gave her the name of Snow-white.
报道了铜制品表面常温发黑的新工艺，介绍了发黑剂的组成、作用和使用方法。
A new process of room temperature blackening of copper product surface is described. The composition, function and use method of the blackening solution are presented.
本文对发黑物的化学成分、发黑原因、对电机的影响及防止发黑的方法作了一些探讨。
In this article, we make a general study of chemical component of the black substance, the reason of turning black, its effect on the motor and way to prevent the phenomenon.
他们身后是自家面包店烧得发黑的烤炉，这是他们家中在海啸中唯一幸免遇难的唯一物件。
Behind them is the blackened oven of the family's bakery. It was the only item to withstand the force of the tsunami.
看门人总是面带笑容，喜欢开玩笑，长着一口发黑的牙齿，还总是在他的小屋里打瞌睡。
The always grinning, always joking black-toothed gatekeeper is always sleeping in his small cubby.
她看起来就像是睡着了；因为她的皮肤还是雪白的，她的脸颊还是玫瑰红色，她的头发黑的像乌木。
It seemed as if she slept; for her skin was Snow White, her cheeks rosy red, and her hair black as ebony.
它的午餐和晚餐菜单包括汤，沙拉，三明治以及发黑的虾面，鸡肉芝士等主菜，和烤箱烤青椒辣椒。
Its lunch and dinner menu include soups, salads, and sandwiches as well as such entrees as blackened-shrimp pasta, chicken Parmesan, and oven-roasted stuffed poblano peppers.
门口并没有挂什么“美国饭店”的招牌，和别人家一样，堆着一堆发黑的柴禾，拉着一根晾衣裳的绳子。
In front of the door, there was no signboard of America Hotel hung, it was the same as other house, there was a heap of nigrescent firewood, and a washing line for drying clothes.
叙述了金属化后碳元素引起真空开关管管壳瓷釉发黑的机理，指出了各种工艺参数对釉面发黑的影响及其解决办法。
This paper has been mentioned blacking of ceramic glaze of Vacuum interrupter by carbon element, It points out blacking is affected by several technology parameters and blacking problem is settled.
以一种支离破碎的方式去看一个人，在我看来，是那么可怕，那么荒唐，以致于过了许多天，我还摆脱不了那发黑的、呆板的腿的印象。
To view man in this fragmentary way seemed to me so horrid, so absurd that I could not get rid of the impression of that dark, unmeaning leg for many a day.
她发现这条道路被埋在成堆被摧毁的建筑物之下，路上堆满了发黑的房屋骨架，倾覆的商店，还有烧毁的轮船搁浅在离海岸半英里远的陆地上。
She can't. It is buried beneath piles of destruction-blackened skeletons of houses, shops with their guts spilled out, burned-out ships tossed half a mile inland.
她发现这条道路被埋在成堆被摧毁的建筑物之下，路上堆满了发黑的房屋骨架，倾覆的商店，还有烧毁的轮船搁浅在离海岸半英里远的陆地上。
She can't. It is buried beneath piles of destruction-blackened skeletons of houses, shops with their guts spilled out, burned-out ships tossed half a mile inland.
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