Auxin, for instance, stimulates the rate of cell elongation, causes shoots to grow up and roots to grow down, and inhibits the growth of lateral shoots.
例如，生长素刺激细胞延伸的速度，促使芽和根生长，而抑制侧枝的生长。
In rainy September, when leaves grow down to the dark.
在多雨的九月，当树叶长下那黑暗之处。
In Rainy September, when leaves grow down to the dark.
多雨的九月多雨的九月，树叶越长越瘦，日渐灰暗。
This photo shows that how this plant's root grow down into the soil.
这张照片显示植物的根是如何深入到土壤里去的。
The other root (seen below) is actually able to grow down into the substrate.
另一根(下面所示)实际上是能够成长向下到衬底。
We should have seen a three-globe d gas-chandelier grow down from the parlor ceiling;
我们还能看到从客厅的天花板上垂下一盏三个头的煤气灯；
East Indian tree that puts out aerial shoots that grow down into the soil forming additional trunks.
东印度一种树，树枝上长出气生根，向下深入土壤中，形成附加的树干。
A layer of tissue begins to grow down the middle of the tube, dividing it into the right and left sides.
一层薄的组织开始在管子的中间从上至下生长，把管子分成左右两边。
An OS that need not start with mobile phones, but could grow down into smartphones from the more familiar territory of business computers.
不一定要基于移动电话开发一款操作系统，也可以从微软更熟悉的商务电脑领域起步，逐渐进入智能手机市场。
They grow up and they grow down and grab the earth between their hairy toes and bite the sky with violent teeth and never quit their anger.
它们向上生长也向下生长，用它们须发样的脚趾攥紧泥土，用它们猛烈的牙齿噬咬天空，怒气从不懈怠。
Without outlet or inlet to the eye, it has still its history, in the lapse of its waves, in the rounded pebbles on its shore, and in the pines which grow down to its brink.
一眼望去，湖水既无出口，又无入口，可是湖也有它的历史，就在它起伏的波浪里，它岸边的磨光了的卵石里，和它周围绵延不绝的松树里。
Once the kernel schedules the process for execution, it sets the stack to grow down from the top of user space, and the heap to grow up from the end of the executable image.
一旦内核调度进程执行，它就设置栈和堆，前者从用户空间的顶部向下增长，后者从可执行映像的尾部向上增长。
Another outgrowth of this work was the interesting idea that companies and people grow in opposite directions -companies grow up the life cycle curve and people grow down it.
这段工作经历的另一个成果是：让我发现企业和个人的成长曲线有相反的趋势。企业生命周期曲线向上，而个人的趋势向下。
When you grow your own fruits and vegetables, you help cut down on pollution because big trucks don't need to take your food to shops.
当你自己种植水果和蔬菜时，你就可以帮助减少污染，因为不需要大卡车把你的食物运送到商店里去。
Elephants wear the tusk down faster than they can grow it.
象牙磨损的速度快于生长的速度。
Since the 1990s, population experts have predicted the number would grow to nine billion before it begins to slow down and possibly decrease.
自20世纪90年代以来，人口专家预测人口数量将增长到90亿，然后增长放慢，甚至可能减少。
Watching your wealth build can be like watching the grass grow; sometimes the mower comes in and cuts everything down.
看着你自己的财富积累就像看着草丛生长；有时割草机会进来，将一切砍倒。
Bringing these barriers down would help the world's economies grow even closer.
消除这些障碍将有助于使世界经济发展更加紧密。
When you grow crops and pasture your animals, one of the things you do is you cut down the forests.
当你种植农作物、喂养牲口时，你要做的其中一件事就是砍伐森林。
After Hou Yi shot down the nine suns, everything began to grow on the earth.
后羿射下九个太阳后，地球上的万物都开始生长。
Unlike biological organisms, all of which slow down as they grow larger, cities become wealthier and more creative the bigger they get.
与生物有机系统生长越大就开始慢下来不同，城市扩展得越大，他所能创造的财富越多，也更有创造力。
"If black holes grow by merging, by combinations of black holes, they should spin down quite quickly," Blandford explains.
如果黑洞是依靠合并来成长的，在合并的过程中，他们的旋转速度很快就会变慢。
Then as you grow your eyes move smoothly down the line like a lawn mower, then you stop a split second on a word, then start back up again.
长大后，当你阅读时你会像割草机一样顺畅地移动眼睛，在某个单词上只有刹那的停留，然后突然再次缩回去。
This is because trees suck up carbon dioxide as they grow, so every time forests are chopped down it reduces the Earth’s ability to absorb the greenhouse gas.
这是因为，树木在生长过程中吸收二氧化碳，因此，每次砍伐森林都会降低地球吸收温室气体的能力。
If you want to get rid of a tree growing in your garden and cut it down, it will grow again quite fast, but if you stop irrigating the tree, it will gradually wither.
如果你想通过砍伐除去你花园中的一棵树，它会很快地重新生长起来，但如果你停止灌溉它，它却会逐渐枯萎。
Standard Chartered forecasts that emerging Asia will grow by an average of 6.4% in 2008, down from 7.8% in 2007.
Standard Chartered预测，亚洲新兴市场平均增长由2007年的7.8%下降到2008年的6.4%。
Many computer processors, including all x86 processors, support stacks that grow "down" from higher to lower addresses.
许多计算机处理器，包括所有x86处理器，都支持从高位地址向低位地址“倒”增长堆栈。
GUI frameworks are not always well documented, and the amount of required code can grow quickly, slowing down development workflow.
GUI框架并不是总是拥有良好的文档，需要的代码量可能迅速增长，拖慢开发工作流。
Bacterial growth slows down in the refrigerator; at room temperature, they grow rapidly. cooking kills these bacteria.
细菌在冰箱中缓慢减速成长，而在室温条件下，则迅速增长，烹调能杀害这些细菌。
Without rest, exercise just keeps breaking down our muscles, and they don't have time to recover and grow.
如果没有足够的休息，锻炼只能损伤我们的肌肉，让它们没有时间恢复和生长。
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