I flipped the bathroom switch, and there I discovered why it was extra dark in my bedroom.

轻轻按下卫生间的电灯开关，我才明白过来为什么卧室是那样出奇地黑暗。

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A 45-person study published in 2010 co-authored by Dr. Katz found blood flow in vessels improved two hours after ingesting a 2.6-ounce serving of Hershey's HSY +0.30% Extra Dark (327 calories).

2010年发表的一项针对45人的研究发现，摄入2.6盎司的好时公司（Hershey's）特浓黑巧克力（327大卡）两个小时后，人体血管内的血流情况有所改善。

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Go for a block colour dress with a slimming dark pencil skirt. Extra folds at the top of the dress will balance out your curves.

最好选择这种纯色的上衣搭配显瘦的深色铅笔裙，上衣的折叠设计会很好地协调平衡你的曲线。

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"Essentially,The Particle Adventure is an interactive tour of the world of quarks, neutrinos,antimatter, extra dimensions,dark matter, Higgs boson, as well as accelerators and particle detectors."

VOA: standard.2010.03.05

Hershey's Extra Dark contains 420 milligrams of flavanols in a 1.4-ounce serving and Hershey's cocoa contains 210 milligrams of flavanols per tablespoon, says Debra Miller, director of nutrition at Hershey Co.

WSJ: Heart-Healthy Chocolate: Dark and Bitter Treat

Torchieres or floor lamps with an upward glow or more traditional shade brighten corners and reading nooks and add extra light to a dark room.

FORBES: 10 Easy Ways To Decorate Your Home With Lighting

Russian speakers, who make an extra distinction between light and dark blues in their language, are better able to visually discriminate shades of blue.

WSJ: Does Language Influence Culture?