It can be put on a tree around your house to test the air quality.

你可以把它放在你房子周围的树上来测试空气质量。

youdao

He took off his sword and gave it to the dead man by hanging it on a tree near his tomb.

他把剑拿下来，挂在死者坟墓旁的一棵树上，送给了他。

youdao

On a tree next to a river in Amsterdam, a tiny birdhouse glows (发光) bright green when the air is clean.

阿姆斯特丹河旁的一棵树上，一小小的鸟舍会在空气清新的时候发出明亮的绿色。

youdao

That could be good advice. If you strike high up on a tree with an axe, the chip of wood that is cut off will fall into your eye.

VOA: special.2010.01.17

When you get--this is Rituparna, counting the leaves on a tree-- you can estimate, from a sample, the population expected values.

如果你...像数叶子的睿都巴若那一样,只有部分样本的话,你可以来估计总体均值

耶鲁公开课 - 金融市场课程节选

It mentions a tree of life and the tree of the knowledge of good and evil; then goes on to just focus on the tree of the knowledge of good and evil.

它提到了一棵生命树，一棵分辨善恶的知识树;,接着却重点讲分辨善恶的知识树。

耶鲁公开课 - 旧约导论课程节选

The young protagonist, Eddie, works days on a tree-cutting crew to support his ungrateful invalid mother.

NEWYORKER: Bad Fever

This classic brick colonial is in a desirable neighborhood on a tree-lined street in Memphis.

FORBES: What's On The Market For $600,000?

For years the group has focused on a tree and missed the entire forest.

FORBES: PETA Still Has It All Wrong