尽管复合维生素的益处还远未得到证实，但你花几美元在复合维生素上可能是一项不错的投资。
Although proof of the benefits of multivitamins is still far from certain, the few dollars you spend on them is probably a good investment.
给定元素的所有同位素都含有相同的质子数，但它们的中子数不同，因此它们的原子质量也不同。
All the isotopes of a given element have the same number of protons, but differ in their number of neutrons, and hence in their atomic mass.
如果有的选择的话，大家最好还是选富含纤维素的老式燕麦片。
If given a choice, you're better off sticking with a fiber rich cereal such as old-fashioned oats.
此外，鸡汤里富含维生素的蔬菜也可提升免疫系统抗击感染的能力。
Vitamin-rich vegetables in the broth also turbo-boost the immune system's ability to fight infection.
每日30- 40分钟的有氧锻炼可以改善身体对胰岛素的反应性。
You need 30 to 40 minutes of aerobic exercise every day to improve your body's responsiveness to insulin.
蚂蚁用一种叫做信息素的化学物质来解决它们自己的“旅行商问题”。
Ants solve their own version using chemical signals called pheromones.
作为一种生物素的重要来源，鳄梨可以防止皮肤干燥，头发与指甲的开裂。
A good source of biotin, avocados help to prevent dry skin and brittle hair and nails.
母乳还是患儿获取能量和营养素的重要来源，并可降低营养不良儿童死亡率。
Breast milk is also a critical source of energy and nutrients during illness and reduces mortality among children who are malnourished.
在菠菜中发现的一种叫做黄体素的类胡萝卜素可以预防白内障和黄斑变性。
A carotenoid called lutein which is found in spinach protects eyes from cataract and macular degeneration.
吃这些富含纤维素的蔬菜，你会有饱胀感，抵御过量饮食或高热量甜食的诱惑。
They’re full of fiber, so you'll feel satisfied and less tempted to overeat or reach for a calorie-laden dessert.
吃这些富含纤维素的蔬菜，你会有饱胀感，抵御过量饮食或高热量甜食的诱惑。
They're full of fiber, so you'll feel satisfied and less tempted to overeat or reach for a calorie-laden dessert.
科学家已经证明，定期摄入富含纤维素的食物可以预防结肠癌、缓解便秘和腹泻。
It's been proven that consuming fiber-rich foods on a regular basis can help prevent colon cancer, as well as alleviate conditions like constipation and diarrhea.
科学家们现在正对6000多种青蛙的皮肤分泌物进行甄选，以用于新型抗生素的研究。
The scientists are currently screening skin secretions from more than 6, 000 species of frogs for antibiotic activity.
我更看重的是这款软件的剪贴功能，它就像一本素的剪贴簿，便于用户整理各类研究内容。
I focused on this program's clip-book functionality, which works as a bare-bones virtual scrapbook to organize research.
该发现在世界健康日当天公布，今年的世界健康日的主题是维持我们现有的抗生素的治疗能力。
The findings are published on World Health Day, which this year is dedicated to preserving the healing powers of the antibiotics we still have.
试验鼠血清素的惊人作用——求偶行为变化，可能加深人类对脑细胞如何控制复杂行为的了解。
Serotonin's surprise role in mouse courtship may lead to a deeper understanding of how brain cells control a complex behavior.
例如，多吃富含微量营养素的蔬菜水果，可以提升免疫系统的功能，增加身体抵抗力，预防传染病。
For example, diets rich in fruit and vegetables, which contain immune-system boosting micronutrients, enhance the body's natural defenses against infectious disease.
这个基因称为5-HTT基因，涉及大脑中血清素的运输，血清素是一种让人感到愉悦的化学物质。
The gene, known as 5-HTT, is involved with the transport of serotonin, a feelgood chemical, in the brain.
在2008年3月，舒尔茨就向我们揭示了切叶蚁还会利用生产抗生素的细菌来为它们的农场除虫。
In March 2008, Schultz showed that leafcutters also use antibiotic-producing microbes to keep their gardens pest-free.
人体的所有功能都离不开它们。我们必须摄入含有维生素的食物，因为人体自身并不能产生这些元素。
Vitamins are critical to all sorts of bodily functions, and we have to get them through diet because our bodies can't make them on their own.
蓝莓是含有一种名叫花青甙素的化学物质，它有助于大脑信息流畅，减缓大脑细胞随年龄增长而衰减的速度。
Blueberries contain a compound of chemicals called anthocyanins, which help improve the flow of information to the brain and halt the speed at which cells deteriorate with age.
正常情况下，一个由瘦肉、各色蔬菜、全谷物组成的品种丰富的健康膳食结构可以满足各种营养素的需求。
A varied, healthy diet of lean meats, colorful vegetables and whole grains will usually cover the bases.
教育指导和透明性工作在降低抗生素的使用方面成效显著：法国和比利时的公众宣传运动已取得显著成功。
Education and transparency work wonders in reducing antibiotic use: public information campaigns in France and Belgium have been notably successful.
一个叫槲皮素的天然抗氧化剂，是在红苹果、花椰菜和绿茶中发现的。它可以给那些有压力的人增强免疫力。
A natural antioxidant called quercetin, found in red apples as well as broccoli and green tea, may give an immunity boost to individuals under stress.
但结果表明，检测催产素的水平可能有助于鉴别易患产后抑郁症的孕妇，以使她们能得到心理咨询和其他护理。
But the findings suggest that testing oxytocin levels could help spot pregnant women at risk for postpartum depression and enable them to get counseling and other care.
显微镜下检测显示出纳米级别的黄金粒子能够在细菌的细胞膜上形成孔洞，从而削弱细菌对抗生素的抵抗能力。
When examined under a microscope it was revealed that the gold within the nanoparticles actually creates holes in the cell walls of the bacteria, thereby weakening its resistance to the antibiotics.
显微镜下检测显示出纳米级别的黄金粒子能够在细菌的细胞膜上形成孔洞，从而削弱细菌对抗生素的抵抗能力。
When examined under a microscope it was revealed that the gold within the nanoparticles actually creates holes in the cell walls of the bacteria, thereby weakening its resistance to the antibiotics.
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