One reason is straightforward: on many trees, the leaves that are the reddest are those on the side of the tree which gets most sun.
有个原因很简单：在许多树上，最红的叶子是那些在树的一侧得到最多阳光的叶子。
For instance, without a tree to absorb radiation from the Sun, to offer shade, the full intensity of that radiation reaches the ground.
例如，如果没有树木来吸收太阳的辐射并提供树荫，那么太阳辐射就会完整地到达地面。
As Mr. Flanagan leaves the glaring sun of the prairie and enters the shady grove, his eyes search for specific tree.
当弗拉纳根先生从牧场上耀眼的阳光处走进绿树成荫的小树林时，他的眼睛搜寻着特定的一棵树。
Truly, happiness is looking out across fresh fields, gazing at a distant tree, feeling the sun on your back and the wind brushing your skin.
说真的，幸福就在穿过一片生机勃勃的田野、凝望远处的树、感受喷洒在后背的阳光和轻抚过你肌肤的微风之中。
Therefore, the tree will grow there, so straight, so high, in order to get more sun.
所以那里的树才会长得那么直、那么高、以便得到更多的阳光。
The young tree uses light from the sun and makes its own food.
小树利用阳光，制造了自己的食物。
So the tree was called the Sun tree.
因此这棵树就被称作太阳树。
One day you're heading to the beach for a fun day in the sun and the next you're hanging lights and tinsel on a Christmas tree.
某天你可能还在去沙滩玩耍的路上，阳光明媚，转眼第二天就开始给圣诞树挂金箔灯饰了。
By midday its shadow has deepened and you can sit there protected from the sun, never feeling lonely, with the tree as your companion.
到中午，树影变深，你可以坐在树下遮阳，树是你的伙伴，你永远不会感觉孤独。
We sat for hours under that tree, sat there until the sun faded in the west, and still Hassan insisted we had enough daylight for one more story, one more chapter.
我们在树下一坐就是几个钟头，直到太阳在西边黯淡下去，哈桑还会说，日光还足够亮堂，我们可以多念一个故事、多读一章。
His food would be cooked on a rocket stove made from two old catering tins, and he would wash in a solar shower essentially a black plastic bag suspended from a tree, and warmed by the sun.
他在那个用两块马口铁桶做的火箭柴炉上烧火做饭，如果天晴太阳高照，还能靠挂在树上的那个黑塑料袋里搞点热乎水洗洗澡。
The tree affords some shelter from the sun.
这棵树可以挡一挡太阳。
Every summer, on the West Coast of British Columbia, we see many little Pacific tree frogs perched on the flowers in our garden and enjoying the sun.
每年夏天在不列颠哥伦比亚省的西海岸，我们看到很多小太平洋树蛙栖息在花园里的花朵上，享受着阳光。
When they awoke the sun was high in the heavens, and shone brightly into the hollow tree, so they left their place of shelter and wandered away in search of water.
当他们醒来太阳已经高高的挂在天上了，灿烂的阳光照进了树洞，于是他们离开他们栖身的地方，走去找水喝。
When they awoke the sun was high in the heavens, and shone brightly into the hollow tree, so they left their place of shelter and wandered away in search of water. "Oh, I am so thirsty!"
当他们醒来太阳已经高高的挂在天上了，灿烂的阳光照进了树洞，于是他们离开他们栖身的地方，走去找水喝。
This small weakening of the sun, however, has been outpaced by the rapid increase in CO2 levels from all our fossil fuel burning and tree-cutting.
虽然太阳活动降低了，但是我们燃烧化石燃料和砍伐树木引起了CO2的快速升高。
The balance of the shade and the sun on the tree-trunks and on the ground is beautiful beyond words.
射在树干与地面上的阳光和树荫，其色彩之调和，真是美得难以形容。
The village of large camphor tree, silent told visitors, the village has a long history; the mottled wall suffused with charming golden yellow in the sun.
村头的大樟树，默默无声的告知访客，这个村子具有悠远的历史；斑驳墙体在阳光下泛着迷人的金黄色。
Parental love is like a towering tree, the children wind shelter, sun shade light!
父母的爱就像一座参天大树，为孩子迎风避雨，遮阳挡光！
Light in the tree, in the hand, with eyes, shiny like early summer sun dew on the lotus leaf, flush with some warm winter yet, a smile in his sleep-pure, like a child.
灯光溅在树上，手上，眼睛里，亮晶晶的像初夏朝阳下荷叶上的甘露，流溢着冬季未有的温馨，在睡梦中露出一丝微笑- - -清纯，像一个孩子。
The late afternoon sun shone through the leaves of the giant oak tree, casting its flickering light on the cabin.
夕阳穿过大橡树的叶子，光影闪烁地照在小木屋上。
It was a lovely clear day and every little tree and bush stood out clearly against the bright sun.
这是个晴朗的美丽日子，每棵小树和灌木都清晰地屹立在艳阳下。
I, Pencil, seemingly simple though I am, offer the miracle of my creation as testimony that this is a practical faith, as practical as the sun, the rain, a cedar tree, the good earth.
我，铅笔，将以我的亲身经历将以我创造过程中的奇迹证明这一信任是多么的实际，就像是太阳、雨水、香柏树和那美好的大地那样实际。
They ate their picnic supper in a corner of it, sitting on some old mossy stones, with a lilac tree behind them flinging purple banners against a low-hanging sun.
她们在花园的一角，坐在一些长满了苔藓的石头上，背后是在低悬的夕阳下招摇着紫色花枝的丁香树，吃了她们准备的晚餐。
With the sun shining on tree-shaded campus and red school buildings, Tagore International School was extraordinarily beautiful.
绿树掩映的校园、红色的教学楼，夕阳映照下的泰戈尔国际学校显得格外美丽。
It was fine, coming through the snow as the red sun was rising and showing against the black tree-trunks!
从雪地里钻出来的时候，红日冉冉升起，映着黑黝黝的树干，天气真不错！
Sure. Its four most beautiful sceneries are cloud sea, private tree, sun rising and cherry blossom.
定会很美妙的。它有最美的四大景：云海、神木、日出和樱花。
While Ben was working in the sun, Tom sat under a tree eating the apple and thinking how to catch more boys.
当本在太阳下工作时，汤姆坐在树下吃苹果，想着如何吸引更多的男孩。
While Ben was working in the sun, Tom sat under a tree eating the apple and thinking how to catch more boys.
当本在太阳下工作时，汤姆坐在树下吃苹果，想着如何吸引更多的男孩。
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