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1·During autumn, the leaves change color and fall down from the trees.

在秋天，树叶变了颜色，从树上掉下来。

2·According to entomologists, single locusts are quiet creatures, but when locusts are placed with others of their species, they become excited, change color, vibrate, and even hum.

根据昆虫学家的说法，单个的蝗虫是安静的生物，但是当它们和同类的其他蝗虫放在一起时，它们会变得兴奋，变色，振动，甚至嗡嗡叫。

3·By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely.

通过吮吸铁杉幼嫩枝的汁液，树木的生长被毛茸茸的叶蝉阻碍，导致针叶从深绿色变为灰绿色，并提早掉落。

4·Guardian laser beams change color now.

守护者的激光束现在改变了颜色。

5·Hd glasses, wear eyes don't change color.

高清眼镜，佩带后双眼不变色。

6·Hair cannot suddenly or spontaneously change color.

头发不可能突然或自发地改变颜色。

7·The leaves are just beginning to change color.

叶子才刚刚开始变色。

8·I enjoy fall the most because leaves change color.

我最喜爱秋季，因为树叶改变了颜色。

9·Sometimes a tooth with a root canal filling will change color.

牙根管补过的牙有时会变色。

10·In the atmosphere oxidation resistance is not easy to change color.

在大气中耐氧化不易变色。

变色

1·According to entomologists, single locusts are quiet creatures, but when locusts are placed with others of their species, they become excited, change color, vibrate, and even hum.

根据昆虫学家的说法，单个的蝗虫是安静的生物，但是当它们和同类的其他蝗虫放在一起时，它们会变得兴奋，变色，振动，甚至嗡嗡叫。

2·The Rice engineers plan to use nanomaterials discovered by team member Stephan Link to create sheets of materials that can see light in the same ways as cephalopods' skin and change color quickly.

莱斯大学的工程师们计划使用由组员Stephan Link所发现的纳米材料创制能感知光的薄片材料，它与头足类动物皮肤的快速变色原理一致。

3·But do you know why the leaves change color?

但你知道树叶为什么会变色吗？

4·The leaves are just beginning to change color.

叶子才刚刚开始变色。

5·I love to watch the leaves change color.

我喜欢观察叶子变色的过程。