这就是为什么它被称为自然界中天生的歌唱家。
很明显，乙烯是水果中天然的植物激素，使水果成熟。
Ethylene is the natural plant hormone in fruit that makes them turn ripe, apparently.
在西非，人们长期以来都咀嚼可乐果作为兴奋剂，因为它们含有在茶、咖啡和巧克力中天然存在的咖啡因。
In West Africa, people have long chewed kola nuts as stimulants, because they contain caffeine that also occurs naturally in tea, coffee, and chocolate.
当人们参与有助于他人的活动时，他们的大脑会释放出内啡肽，这是一种大脑中天然的麻醉剂，能让人产生幸福感。
When people engage in activities that help others, their brain releases endorphins, the brain's natural opiates, which induce in people a feeling of well-being.
葡萄中天然含有苹果酸。
提姆把自己的脸想象出现在那些画中天使们的身上。
Tim imagined his face on the body of one of those painted angels.
银河中天体之间的空隙满是毒气与尘埃-大量的尘埃。
The space between the Milky Way’s stars is filled with gas and dust—lots of dust.
毕竟，德国人都很担心他的肌腱，如今他状态如日中天。
After all the Germans' oft-expressed fears about Schweinsteiger's hamstring, here he was in imperious form.
我没有选中天空的每个部分，但是在这一步我们不用担心。
I won't have every little piece of the sky selected, but I don't need to worry about that at this stage.
在中天位置停留也意味着结束原来的目标而产生新的目标。
Staying at MC places also serves to both discover new goals and conclude existing ones.
水星在你命盘接近中天的位置，给了你比平时更强烈的看法。
Mercury nearing the midheaven of your chart gives you stronger opinions than usual.
世界上最健康的食物中的营养成分完全来自食物中天然的部分。
The World's Healthiest foods are also whole foods complete with all their rich natural endowment of nutrients.
但是监管者的权利中天真的信仰却带来了具有毁灭性的虚假安全。
But naive faith in regulators' powers creates ruinous false security.
乌托邦式的结局、轻而易举的成功、爱情中天赐之福不会就在眼前。
Neither a utopian outcome nor easy success nor bliss in love is just around the corner.
其作家身份亦如日中天，有些批评家认为他是战后最优秀的英国作家之一。
His reputation as an author continues to grow, with some critics considering him one of the finest postwar British writers.
在半决赛中，中国队将遇到在本届奥运会上如日中天、一场未败的巴西队。
China will take on Brazil in the semifinals, a team which hasn't lost any match so far in the Beijing Olympics.
第二个行星带距离它的恒星为20个天文单位，这相当于太阳系中天王星的位置。
The second asteroid belt lies at about 20 astronomical units from the star, or a position comparable to Uranus in our solar system.
作为这项新的技术根基的关键突破来自于对细胞中天然生物传感器的相关研究。
The key breakthrough underlying this new technology came from studies of the natural biosensors inside cells.
本文研究了芦笋贮藏过程中天门冬酰胺、芦丁、芦笋皂甙等功能成分的变化规律。
Changes of functional components such as asparagus, rutin, saponins of asparagus officinalis were investigated during storage period.
换句话说，家中天使所要做的，不只是洗盘子带孩子，虽说这是她们的重要任务之一。
In other words, the role of the angel in the house is not just to wash the dishes and take care of the kids, although that's a big part of it.
关键问题似乎是大众市场售卖的维生素和从食物和植物中天然提出的维生素有很大的不同。
A key problem seems to be that many mass-market vitamins are vastly different from those found naturally in food or plants.
因为在麦片制作过程中人们会把麦麸去掉，这样一来麦子中天然含有的纤维素也就没有了。
The bran is stripped from the wheat during processing which removes the natural fiber found in the wheat.
风眼四周环绕着“眼壁”，即一圈剧烈雷暴区域，通常是整个热带气旋中天气最恶劣的区域。
It is surrounded by the eyewall, a ring of towering thunderstorms where the most severe weather of a cyclone occurs.
这名男子给自己取了“拇指男”的绰号，他和三个朋友的合影照片在网上发布后，声望如日中天。
Dubbed "Thumbman," the lad became famous after a picture of him posing with 3 PALS circulated the web.
带去的其他设备还可以用火星大气中天然的氮气、二氧化碳和表面的冰水制造出肥料、甲烷和氧气。
Additional equipment carried over could also produce fertilizer, methane and oxygen using the atmosphere's natural elements of nitrogen, carbon dioxide and its surface of ice water.
对另类治疗而言，不必如此，因为它是依靠传统和他们服务中天然保健性的混合诉求来使消费者安心。
That is rarely true of alternative treatments, which rely on a mixture of appeals to tradition and to the "natural" wholesomeness of their products to reassure consumers.
通过比较电线和植物中天然存在的电解质，研究者们能够发明一种晶体管，将电化学信号转化为电力输出。
By combining the wires with electrolytes naturally present in the plant, the researchers were able to create a transistor that converts electrochemical signals into electrical output.
通过比较电线和植物中天然存在的电解质，研究者们能够发明一种晶体管，将电化学信号转化为电力输出。
By combining the wires with electrolytes naturally present in the plant, the researchers were able to create a transistor that converts electrochemical signals into electrical output.
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