It sounds paradoxical, because the idea behind this hypothesis is that the red pigment is made in autumn leaves to protect chlorophyll, the light-absorbing chemical, from too much light.
这听起来很矛盾，因为这一假设背后的理念是，树叶在秋天产生的红色素是用于保护叶绿素这种吸收光的化学物质，以免它吸收过多的光。
In autumn leaves of trees turn red.
树叶在秋天变红。
In autumn leaves are falling. This little leaf is red.
秋天树叶落，其中的一个树叶是红的。
Leaves change colour in autumn.
树叶在秋天改变颜色。
Leaves fall down from trees in autumn.
在秋天，很多叶子都从树上飘落。
Leaves fall off the trees in the autumn.
秋天，树叶纷纷从树上掉下来。
In autumn, the leaves are turning brown.
秋天，树叶变成褐色。
In autumn the leaves wither and fall off the trees.
秋天，树叶枯萎并从树上落下来。
在秋天树叶落了。
In autumn, when the leaves start to fall, I like to run, jump and kick a ball.
当秋天到来，树叶纷纷落下时，我喜欢去跑跑、跳跳、踢踢球。
Maple leaves turn red in autumn.
枫叶在秋天变红了。
Maple leaves become red in autumn.
枫叶在秋天变红。
I like wandering around the park in autumn, observing the golden leaves falling and white clouds drifting.
秋天，我喜欢在公园里闲逛，看着金色的叶子飘落和白色的云朵飘走。
Leaves fall in autumn but grow in spring.
叶子在秋天落下，但在春天生长。
In autumn, quite a few leaves turn yellow and fall off the trees.
在秋天，很多树叶变黄并从树上落下。
In the north of China, leaves usually fall down when autumn comes.
在中国的北方，树叶通常在秋天到来时飘落。
In autumn the leaves change from green to brown.
秋天树叶由绿色变为褐色。
树叶在秋天变黄。
That little boy asked his parents why the leaves fall from the trees in autumn.
那个小男孩问他的父母为什么树在秋天掉叶子。
In the above photo, the fallen bright yellow leaves that herald autumn mix with the vivid green grass left over from summer.
在上面的照片中，从树上掉下的明亮、金黄色的树叶，预示着秋天与从夏天遗留下来的嫩绿的小草混合在一起。
The leaves of staghorn sumac trees gradually turn a brilliant red as cool autumn temperatures creep in.
在秋凉温度步步紧逼之下，鹿角漆树的叶子逐渐变成了鲜红色。
Virgil alludes to just this passage in Homer when he describes the entrance of a whole crowd of people in to the underworld as "the falling of leaves in the early frost of autumn."
维吉尔只是在荷马中影射了这点，他描述了通往人群拥挤的地狱的入口，如同“在深秋严寒中无情飘落的叶子。”
The leaves slowly rust in autumn.
秋天树叶慢慢变成红褐色。
I shot this image in a local park of some beautiful autumn leaves outlined with frost.
我在当地的覆盖霜冻和美丽秋叶的公园里拍摄了这张照片。
When it is autumn, apples, pears and other fruits come out from the leaves, just like bells hanging in the trees.
当秋天来的时候，苹果、梨和其他一些果子从叶子间探出头来，像风铃一样垂悬在树上。
In particular, a group of glorious acers - maples - whose crisp, shiny leaves have turned such a deep, coppery red that they are positively glowing in the glorious autumn sunshine today.
尤其是那一群绚烂的槭属植物——枫树——它们那发脆的、闪亮的叶子变成了深深的铜红色，在今天灿烂的秋日暖阳里熠熠闪烁。
In the crisp autumn light I love the chance to kick up the golden leaves.
在空气清新的秋日里，我喜欢踢着金黄落叶走路的美妙感觉。
The finite number of times we can smell that beautiful smell in the air as the leaves begin to fall and quietly blanket the ground in autumn.
那些在秋天我们能嗅到落叶香味，看着它们逐渐覆盖大地的时光，这一切显得都那么可数。
Even feces, dung beetles, or the falling leaves in autumn have their use too.
即使是粪便、粪便甲虫，或秋天的落叶都有它们的用处。
Even feces, dung beetles, or the falling leaves in autumn have their use too.
即使是粪便、粪便甲虫，或秋天的落叶都有它们的用处。
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