从物体背面照射的光使物体形成全黑的剪影，而背景色调较亮。
Light coming from behind a subject can form a silhouette resulting in object that is completely black against a lighter colored background.
摄影师们花费了数小时拍摄和打印桌面照片，他们采用白色/银色反光板和黑旗（black flag）使桌面、椅子和地板的光线层次保持一致。
It took several hours to shoot and then print the base image. The photographers used white and silver reflectors and black flags to equalize light levels across the table, chair, and floor.
这种黑物质不发光，但它远远重于银河系数以亿计的恒星，使银河系的总质量达到太阳的一至二万亿倍。
While it emits no light, this dark matter far outweighs the Milky Way's hundreds of billions of stars, giving the galaxy a total mass one to two trillion times that of the sun.
黑尔说，基因常常是组合起来才起作用。有望某天新基因会和其他基因关联在一起，使湖鲟产生适应所处环境变化所需的新性状。
Hale said genes often work in combination, and new genes may one day become involved with other genes to help the lake sturgeon create new traits needed to adapt to changes in its environment.
蝗灾使西非撒黑尔地区的收成遭受了严重的打击。
The harvests in the Sahel region of West Africa have been severely damaged.
经过试验分析，得出了玻璃表面涂覆法和溶胶凝胶法是使玻璃表面黑化的可行途径。
It is found that the glass surface coating method and the collosol-gelling method are feasible for the blackening of glass surface.
比如，表情愤怒说明一个人有压力，因此适合使人镇静的食物，比如含有镁元素的黑巧克力、坚果。
For example, an angry face suggests that a person is stressed and so would benefit from calming foods, such as dark chocolate and nuts which contain magnesium.
为了使性能更好，器件还采用了低反射率黑矩阵和光学补偿膜。
The display has been incorporated with a low_reflectance black matrix and optical compensation films for high_quality performance.
气味：有着草莓以及覆盆子的香甜果味且夹杂着淡淡的桑果的香气。富有层次感的黑果的果香使结构饱满。
Nose: A lovely sweet, perfumed strawberry and raspberry nose with hints of darker mulberry fruit. More complex black fruit notes give extra depth and weight.
无彩色系中的黑、白、灰色均以一种简洁、直接的表现方式使设计具有鲜明的个性色彩，从而为设计增添活力。
Black, white and gray of achromatic color, to design a distinctive personality with a simple anddirect way, so as to inject vitality into the design.
殖民地美国居民为了使它与美国的黑核桃相区别，把它称之为英国核桃。
The american colonists are said to have called the species english walnut to distinguish it from the american black walnut .
花青素使很多水果和蔬菜呈深色，如蓝莓和红柿子椒。他们是黑米呈'黑色'的原因。
Anthocyanins provide the dark colours of many fruits and vegetables, such as blueberries and red peppers. They are what makes black rice 'black'.
口感 扑鼻的黑醋栗和黑莓香气结合口中的丝般质感使此酒优雅的感觉十分明显。
The silky texture combined with powerful aromas of blackcurrant and blackberry gives this wine a noticeable elegance.
正如品酒影片《杯酒人生》所告诉我们的，正是腐死之吻使葡萄汁变成了黑比诺葡萄酒。
As the wine - connoisseur movie Sideways tells us, it is the kiss of decay and mortality that makes grape juice into Pinot Noir.
正如品酒影片《杯酒人生》所告诉我们的，正是腐烂与死亡的亲吻才使普通的葡萄汁变成了黑比诺葡萄酒。
As the wine-connoisseur movie Sideways tells us, it is the kiss of decay and mortality that makes grape juice into Pinot Noir.
飓风很少影响到加拿大的安大略省。但在1954年，黑兹尔飓风却使多伦多的居民遭遇了一个充满灌水和恐惧的可怕夜晚。
Hurricanes seldom reach Ontario, Canada, but in 1954 Hurricane Hazel exposed the residents of Toronto to an awful night of flooding and terror.
黑蒜由普通大蒜发酵而成，其中的自然糖分和氨基酸合成一种名为“类黑精”的物质，使大蒜颜色变成黑色。
Black garlic is made from white garlic which is then fermented. The natural sugars and amino-acids then combine to give a black coloring on the cloves known as melanoidin.
研究人员说，这可能会解释为什么压力也会导致色素沉着使皮肤显得更黑。
The researchers said this could explain why stress can also cause pigmentation which makes the skin appear darker.
根据世界自然基金会表示，全球的黑犀牛数量已下降至5500头，使犀牛处于“极度濒危”状态。
According to the World Wildlife Fund, the global black rhino population has dropped as low as 5500, giving the rhinos a "critically endangered" status.
结论补骨脂含药血清有促进A375黑素瘤细胞增殖作用，并使A375人黑素瘤细胞合成黑素增加。
Conclusion Serum containing Psoralea has strong effect of promoting A375 human melanoma cells proliferation and melanogenesis in vitro.
黑矿色、银色魅影与透明水晶的颜色，使这款镀白金色项链绽放独特光彩。
Colours of Jet Hematite, Silver Shade and clear crystals beam a special radiance on this rhodium-plated necklace.
丝绸与丝绸的磨擦声瑟瑟作响，不禁使皮布尔斯先生抬头看。算命师已经走入房间。她是一个块头很大、长着又黑又长头发的女人。
The swishing sound of silk against silk made Mr. Peebles look up. The fortune-teller had entered the chamber. She was a large woman with long, black hair.
丝绸与丝绸的磨擦声瑟瑟作响，不禁使皮布尔斯先生抬头看。算命师已经走入房间。她是一个块头很大、长着又黑又长头发的女人。
The swishing sound of silk against silk made Mr. Peebles look up. The fortune-teller had entered the chamber. She was a large woman with long, black hair.
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