We plant many trees every year.
我们每年都种很多树。
They will plant many trees today.
他们今天将要植好多树。
There are many trees in this mountain.
这座山里有许多树木。
我们种植了许多树。
He planted many trees between two buildings.
他在两座建筑物之间植了许多棵树。
For many trees—evergreen conifers being an exception—the best strategy is to abandon photosynthesis until the spring.
对于许多树木来说——常绿的针叶树是一个例外——最好的策略是在春天之前放弃光合作用。
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。
When that happens, many trees like walnuts, oaks and pines, rely exclusively on so-called "scatter hoarders", such as birds, to move their seeds to new localities.
当这种情况发生时，许多树，如核桃树、橡树和松树，完全依靠所谓的“分散贮藏者”，如鸟类，将它们的种子转移到新的地方。
Elephants are losing their homes because people cut down too many trees.
因为人们砍伐了太多的树木，大象正在失去自己的家园。
We can also save paper. Making paper needs many trees.
我们也可以节约纸张。造纸需要很多树木。
Humans are cutting down many trees to build more houses.
人类正在砍伐许多树来建造更多的房子。
If we cut down too many trees, the forest will disappear.
如果我们砍伐太多树木，森林就会消失。
People cut down many trees, so animals are in great danger.
人们砍伐了很多树，所以动物处于极大的危险中。
They planted many trees to avoid the soil being washed away.
他们种了许多树以避免土壤被冲走。
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。
The environment in my hometown is improving because many trees are planted every year.
我家乡的环境正在改善，因为每年都种了很多树。
This year is the 49th Earth Day and I think we should call on people not to cut down too many trees.
今年是第49个地球日，我认为我们应该呼吁人们不要过度砍伐树木。
Count and see how many trees there are in a row.
数数看一行有多少棵树。
The storm uprooted many trees.
这场暴风雨把许多树连根拔起。
Man had logged too many trees.
人类已经砍伐了太多树木。
There are many trees across the river.
河对岸有很多树。
There are many trees in this park.
在这个公园里有许多树木。
They cut down many trees every year.
他们每年砍下很多的树。
They plant many trees in North China.
他们在中国北方种了许多树。
There is a lake and many trees near the house.
有一个湖泊和许多树在房子的附近。
First, we should plant many trees to keep water.
首先，我们应该种植许多树来保持水分。
Around the house there are many trees and flowers.
在这个房子的四周有很多树和花儿。
Around the house there are many trees and flowers.
在这个房子的四周有很多树和花儿。
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