Density is determined by how trees grow.
密度是由树木的生长方式决定的。
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.
在地球上，人们认为，表明太阳黑子周期最可靠的迹象之一是树木的生长速度，就像树干横截面上可见的年轮一样。
The mightiest are native to North America, but big trees grow all over the globe, from the tropics to the boreal forests of the high latitudes.
最高大的树原产于北美，但大树遍布全球——从热带到高纬度的北方森林。
For example, many trees grow thorns to warn animals not to go near.
例如，许多树长有刺，以此来警告动物不要靠近。
Amazingly, the trees grow in such a way that their leaves and branches, although close together, never actually touch those of another tree.
令人惊讶的是，这些树的枝叶虽然挨得很近，却没有真的接触到另一棵树的枝叶。
Gum trees grow in tropical areas.
产树胶的树生长在热带地区。
Flowers bloom and trees grow new leaves.
花朵绽放，树也长出新的叶子。
Why can't trees grow taller than they are?
为什麽树没办法长的比它现在还要高？
Maidenhair trees grow in rich abundance in the area.
这个地区长着许多银杏树。
Yew trees grow in the churchyard at Little Hangleton (GF32).
在小汉格顿的墓地中种植有紫杉树(GF32)。
In central Georgia, sweetgum and poplar trees grow in large Numbers.
在佐治亚州中部，生长有大量的枫香树和白杨树。
It comes from a tree; and trees grow, and we don't know how they grow.
它产生于一棵树，树木会生长，我们并不知道它们是怎样生长起来的。
The younger trees grow faster but the rates level out within two years.
小树长得快，但两年内生长速度会渐渐减缓。
The latter process is analogous to the rate at which trees grow or wine ages .
后一过程近似于树木成长和陈酒存放的速率。
Let the living Christmas trees grow high upward to carry their thanks to Heaven.
让生机盎然的圣诞树巍然挺拔地成长，将它们的感谢捎至天国。
They fail to continue to plant the little acorns from which the mighty oak trees grow.
他们(成名后)不能做到继续去种植那能够生长出高大橡树的橡子。
I have a dream, I want my children like me, in Nanjing under the shadow of plane trees grow up;
我有一个梦想，我想我的孩子也跟我一样在南京梧桐树的庇荫下成长；
Linden Extract - Linden trees grow in the temperate climates of Europe, Asia and North America.
椴树生长在欧洲，亚洲，北美的温带地区。
Spring is warm. In spring, I can see many flowers. The trees grow and grow. I like to go to the park and fly a kite.
春天是温暖的。春天里，我可以看到很多花。树长啊长。我喜欢去公园放风筝。
Avocado trees grow thickly, so it is sometimes necessary to prune the tree to allow sunlight to reach the lower branches.
鳄梨树枝繁茂，所以需要经常进行必要的修剪以使日光可以照到下面的枝条。
The SunThe sun is very bright. light from the sun helps us see things. Its light also makes our green grass and trees grow.
太阳很明亮，他发出来的光能让我们看到东西，而且让我们绿色的草和树木生长。
The Qingming Festival is also a good time to plant trees, for the survival rate of saplings is high and trees grow fast later.
这时植树树苗存活率高，之后长得也快，因此清明节也是植树的好时候。
Red Fuji apple is the major cultivar at present, but the young trees grow excessively and are difficult in forming flower bud.
红富士苹果是当前主栽的苹果品种，但是幼树生长较旺，成花困难。
Babassu palm trees grow on 185,000 square km of land in four Brazilian states, an area equivalent to half of the territory of Japan.
巴巴苏棕榈树生长于巴西的四个省，生长面积达到185000平方千米，相当于日本国土面积的一半。
Palm trees grow in tropical regions, and tracts of tropical forests are often cleared to make room for plantations to meet export markets.
棕榈树是一种热带植物。热带地区常常为了扩大棕榈园种植面积而砍伐热带雨林。
Palm trees grow in tropical regions, and tracts of tropical forests are often cleared to make room for plantations to meet export markets.
棕榈树是一种热带植物。热带地区常常为了扩大棕榈园种植面积而砍伐热带雨林。
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