These microscopic digestive deputies do the hard work of breaking down wood or grass, or synthesizing critical vitamins and micronutrients.

这些微观消化代表做分解木材或草的艰苦工作，或者合成关键的维生素和微量营养素。

And then a bit of the broken wood of the box fell to the floor with a thud!

然后盒子的一点碎木头砰的一声掉在了地上！

The Kyoto University researchers say wooden satellites can hold up to metal ones because there's no oxygen in space that can break down the wood.

京都大学的研究人员表示，木制卫星可以与金属卫星一样坚固，因为太空中没有氧气可以分解木头。

" To chop wood" means to break the wood into smaller pieces so that you can use it for other things.

“砍柴”的意思是把木头掰成小块，用来做别的东西。

It was almost middle night when the noise died away and the animals became quiet. The next day, papa fixed all the broken wood in the walls of the barn.

快到半夜了，噪音消失了，动物们安静下来。第二天，父亲把谷仓墙上所有破碎的木头都修整好。

There was a first twanging crash as the flying figure hit the upright pianola and then, with an explosion of metallic discords and breaking wood, the dying instrument toppled over and, with McGonigle spreadeagled across it, thundered to the floor.

当飞翔的人影撞上直立的钢琴时， 首先发出砰砰声，然后，随着金属不和谐音和木头断裂的爆炸声，垂死的乐器翻倒了，麦格尼格摊开它，轰隆隆地倒在了地板上。