Change Color?
美音、自然拼读、分级阅读与词汇复习
So Many Colors Why are the leaves on trees different colors?
如此多的颜色 为什么树上的树叶颜色不同?
What makes them Two Types of Trees Making Food Leaves use sunlight, water, and air to make food for the tree.
是什么使他们有两种类型 制作食物叶 利用阳光、水和空气为树做食物。
This way of making food is called photosynthesis.
这种制作食物的方法被称为光合作用.
A chemical that helps leaves make food also makes them green.
一种能帮助叶子做食物的化学物质也使它们变得绿色.
Photosynthesis is important to animals as well as plants.
光合作用对动物和植物都很重要。
Some animals eat plants.
一些动物吃植物.
Other animals eat those animals.
其他动物吃这些动物。
Without photosynthesis, neither kind of animal would have food.
没有光合作用, 任何种类的动物都不会有食物。
Summer Summer is playtime.
夏天是游戏时间。
For the leaves of many trees, however, it’s work, work, work!
但对于许多树叶来说,
The Sun is shining.
太阳发光了
The leaves are making food for the trees.
叶为树作取食.
The trees store any extra food deep inside.
树将任何额外的食物储存在内
The stored food will help them get through winter.
储存的食物会帮助他们度过冬天.
Leaves are green in summer because they are making food.
夏天的叶子是绿色的,因为它们在做食物。
Leaves also have orange, yellow, or brown colors inside them.
叶子还含有橙色,黄色或棕色等颜色.
During summer, those other colors are hidden by the green color.
在夏季,这些其它颜色被绿色所隐藏.
Do You Know?
你知道吗?
Fall Many places get colder in fall.
瀑布 许多地方都变冷了
The days get shorter, and the nights get longer.
日子越来越短,夜晚也更长。
Trees get less sunlight, so photosynthesis slows down.
树木获得的阳光较少,因此光合作用会减缓.
Over time, leaves stop making the green chemical, so they lose their green color.
随着时间的推移,叶子停止了做绿色的化学物质,因此它们失去了绿色.
When that happens, the hidden orange, yellow, and brown colors start to show.
当它发生时,隐藏的橙色,黄色和褐色开始显现出.
Leaves also start making a red color at this time.
叶子此时也开始作出一出红色.
Once it gets cold enough to freeze at night, the trees drop their leaves.
一旦它变得寒冷到晚上会被冻住,树会掉落叶子.
They do this to keep themselves safe.
他们这么做是为了保护自己
If the leaves freeze while still on the trees, the trees can be hurt.
如果叶子在树上还被冻住,树会受伤.
Winter Trees that drop their leaves are bare in winter.
冬花花花落叶被冬花裸出.
They use the stored food to get through the cold days and colder nights.
他们利用所储存的食物来渡过寒冷的日子和更冷的夜晚.
Spring Spring comes before long.
春来来来来来来来来来来来来来来来来来来来来来来来来来来来来来来去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去去
Ice and snow melt, and the rains come.
冰雪相去相去相去相去相去来相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相去相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相相
The Sun shines, and tiny leaves grow from branches.
出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出入出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出出
Once again, the leaves use sunlight, water, and air to make food.
叶子再次用阳光,水和空气来做食物.
The cycle begins again.
这个周期再次开始。