David worked in an oven factory. The outer walls of the factory were painted blue.

戴维在一家炉厂工作。工厂外部的墙被漆成了蓝色。

youdao

It is the perfect design for the biography ofa man who insisted that even the innards of his products be exquisitelycrafted, and that his factory walls gleam in the whitest white.

对于这样一个人物的自传，这是最完美的设计，他一直坚持他的产品哪怕是内部结构都要精雕细琢，也坚持工厂的墙壁要洁白得耀目。

youdao

Iron castles rose behind factory walls; the wind waved scraps of smoke at the lighting conductors of the smokestacks.

钢铁城堡在工厂身后高高矗立；风将远处烟囱喷发出的烟吹散。

youdao

The difference between the bright burning metal and the black factory walls was too extreme for her camera.

VOA: special.2009.05.10

Around 3, 000 buildings were damaged by the blast, which blew a hole in the walls of a metals factory in Chelyabinsk, approximately 900 miles east of Moscow.

WSJ: Meteorite Hits Russia, Causing Panic

The biggest problem with getting such an idea off the laboratory benchtop and onto the factory floor is the speed at which the domain walls travel.

ECONOMIST: How to record a memory on a wire

The old factory floor has broken through its walls and now spans oceans and borders.

FORBES: Lies, Damned Lies, and Trade Statistics