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.
这就是为什么它被称为自然界中天生的歌唱家。
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。
昔人跨鲤归何处，彷佛中天月影寒。
Where to Go Xiren cross carp, as if the cold shadow on transit.
太阳升到中天，鸽子在凉荫中叫唤。
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.
古典园林的意境是古代文人士大夫胸臆中天道体会的投射。
The mood and atmosphere of classical gardens is a reflection of ancient literary giants.
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.
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.
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.
月是中天，凉风习习，翻开我人生书籍，每一页上都记载着我们的友谊。
A cool gentle breeze is blowing as the moon rises high in the sky. I open the book of my life only to find our friendship recorded at every page.
对于目前事业如日中天的著名歌手来说，一份完美的生日礼物会是什么呢？
What is the perfect birthday gift for a famous singer who has the status of heavenly king?
月上中天，凉风习习。翻开我人生的书籍，每一页上都记载着我们的友谊！
A cool gentle breeze is blowing as the moon rises high in the sky. I open the book of my life only to find our friendship recorded at every page!
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.
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.
我见过空中天使、七月飞雪、星辰坠落，但却不曾在生活中遇见过如你一般的人。
I have seen angels in the sky, I have seen snowfall in July. I have seen stars falling apart, but I've never seen anyone like you in my life.
教育的全部艺术就是将幼小心灵中天生的好奇心唤醒以便在日后使其满足的艺术。
The whole art of knowledge is only the art of awakening the natural curiosity of young minds for the purpose of satisfying it afterwards.
童话中天真善良的白雪公主告诉我们：友好真诚地对待别人，定将得到好的回报！
The innocent and kind-hearted White Snow tells us if we treat others sincerely and kindly, then we will be well treated.
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.
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.
假如你的寿命是100年，那我但愿本身活到100岁的前一天，因为那样我的生射中天天都有你。
If you live to be 100, I hope I live to be 100 minus 1 day, so I never have to live without you.
古代一组节令的总称，即自立春至大寒共二十四个节气，以表征一年中天文、季节、气候与农业生产的关系。
In the ancient times, there was a general name for a group of seasons, i. e. the Twenty-four Solar Terms from the Beginning of Spring to Great Cold.
6月16日，瑞士在世界杯的首场比赛便要迎接如日中天的西班牙的挑战，但是森德罗斯强调他们没在怕的。
The Swiss face a tough opening match against Spain on 16th June, but Senderos insists his side will not be intimidated by the encounter.
6月16日，瑞士在世界杯的首场比赛便要迎接如日中天的西班牙的挑战，但是森德罗斯强调他们没在怕的。
The Swiss face a tough opening match against Spain on 16th June, but Senderos insists his side will not be intimidated by the encounter.
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