乔留着一头中分的烟灰色波浪发，在给他俩面授机宜。
Joe Aguirre, wavy hair the color of cigarette ash and parted down the middle, gave them his point of view.
“灰色脂肪是一种人类抵御肥胖的一种天然保护，”哈佛医学院的细胞生物学家Bruce Spiegelman说，他也是周四发表在Nature上的那篇文章的作者之一。
“Brown fat is one of the body’s natural defenses against obesity, ” said cell biologist Bruce Spiegelman of Harvard Medical School, who co-authored the paper published Wednesday in Nature.
身穿黑色马球衫，留着灰色波浪发的古依·索尔曼，是许多人心目中的法国知识分子形象。
Guy Sorman, with his Black polo-neck sweater and wavy, graying hair, is many people's image of the French intellectual.
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