Using photovoltaic cells, the Air Tree produces a substantial amount of energy, which is then sold back to the local electric companies, the profits being used for maintenance of the structure.

空气树通过光伏电池产生巨大的能量，这些电将输送回当地的电力公司，而由此产生的利润将用于该建筑的维护。

youdao

You never met them in the air or on tree-tops.

你从未在空中或树梢上见过它们。

youdao

As the tree grows, it adds a layer to its trunk taking up chemical elements from the air.

随着树木的生长，它在树干上增加了一层吸收空气中的化学元素而生成的膜。

youdao

The heater was on high, belting out a stinging warmth that smelled of the little cardboard pine-tree air freshener dangling from the rearview mirror.

NEWYORKER: Friendly Fire

The Picnic room features a sizable picnic table, astroturf, and a paper-mache tree that was fashioned out of an air duct.

FORBES: Startup Hires Set Designers to Trick Out Office on a Dime

French artist Pascal-Michel Dubois, who is based in Nelson, won the printmaking prize for Meteor III, a digital photo montage 360 degree panorama of a tree which seems to float in the air.

BBC: fleece painting