Broad leaves must be shed in winter for their damage by frost.

由于严寒的原因，阔叶树得在冬天落叶。

Here, in the deciduous forests of eastern Russia, the winter makes hunting very difficult.

这里是俄罗斯东部的落叶林，冬天使得狩猎变得相当困难。

When you get to your new school, walk up and introduce yourself to the person who is raking the leaves, shoveling the snow or emptying the trash.

当你到新学校时，见到那些扫落叶、铲雪、倒垃圾的人，便走上前自我介绍，同时记住他们名字。

They were still plump and tender. Apparently they do not heat there, though wet. In the spring they are all sprouting.

只要落叶濡湿，温度适宜，冬，栗子便争先恐后露出胚芽。

Do you rake leaves at your house?

你会扫你家的落叶吗？

Across the northern hemisphere the deciduous forests are changing.

环整个北半球，看到落叶林在不断变化。

In temperate forests, the build-up of leaf litter creates rich stores of nutrients.

在温带森林里，落叶形成的腐殖质贮藏养分。

Large trees nourish smaller shaded ones until they are tall enough to reach sunlight, and trees that stay green all year round share nutrients with trees that lose their leaves in winter-helping them through the season.

大树滋养着小树苗，直到它们长得足够高，能够接触到阳光为止。常绿的树木会与冬天落叶的树木分享营养，帮助它们度过寒冬。

The leaf-strewn ground was now swarming with spiders.

铺满落叶的地面上现在密密麻麻的都是蜘蛛。

She and her students are testing the effects on carbon storage of the compost that is created from waste — both agricultural, including manure and cornstalks, and waste produced in gardens, such as leaves, branches, and lawn trimmings.

她和她的学生正在测试由废物制造的堆肥中储存的碳的作用，这些废物既自农业废料，包括粪肥和玉米杆，也自花园中产生的废物，比如落叶、树枝和修剪草坪产生的废料。

Even the landscaping played a role, tall assiduous trees were planted strategically to shade homes in summer, interspersed leaves to let in winter sun.

庭院绿植也有降温作用，人们精心栽种高大乔木，夏季为房屋遮阴，秋冬落叶后，又能让冬日阳光照进屋内。

Or will they arrive at all if the leaves in Fall, mire the tires and cause impairments that need " repairments" ?

秋天落叶淹没轮胎造成损害，需要维修，机器人还送达吗？

During the Qingming festival, Chinese families visit the graves of their ancestors to sweep away dust and fallen leaves in order to keep the family tombs clean.

在清明节期间，中国家庭会到祖先的坟墓前清扫灰尘和落叶，保持家族墓地干净。

For thousands of years, it was the most abundant tree species across the eastern deciduous forest. It's lumber was used to create fine musical instruments and hardwood furniture.

千百年，它曾是东部落叶林中数量最多的树种。它的木材被用制作精美的乐器和硬木家具。

Forest crabs are common here, feeding on the abundant leaf litter.

森林蟹在这很常见，它们丰富的枯枝落叶为食物。

Autumn is stunning because you get all of the fall of the leaves.

秋天最美了因为你会看见落叶缤纷。

In the middle of October, the trees begin to lose their leaves.

在十月中旬，树木开始落叶。

Not tiny spiders like those surging over the leaves below.

不像那些在下面的落叶中匆匆爬过的小蜘蛛。

There are deciduously better options, someone should have a coniference with him so he doesn't get left in the larch.

还有一个更好的选择，应该有一个人和他待在一块，这样他就不会被留在落叶中。

Wow. Good idea Maggie. Yeah! Look, the brooms are sweeping away the leaves without us.

哇。这个主意真不错，麦琪。是啊! 看，就算我们不动手，扫帚也自己打扫落叶。