In 1952, it took three jewellers almost two hours to remove all the dust.

1952 年，三家珠宝商花了将近两小时才除所有灰尘。

In 3-9 months, the damaged cilia in the lungs are almost fully repaired, which are hair-like structures that helps sweep away dust and debris.

39后 肺部受损的纤毛几乎完全被修复了，纤毛是帮助除肺部灰尘碎片的类毛发结构。

And one more thing, I've always wondered, do we ever truly get rid of dirt and dust?

另外，我一直在想，我们是否真的能彻底除污垢灰尘？

And I'm getting this drift of dust constantly with pesticides.

而且我不断地用杀虫剂除灰尘。

This felt like, okay, we're getting the, we're going to get the dust off.

这感觉，好吧，我们得到了，我们要去除灰尘。

The sharp wind that scoured the streets, seemed to have cleared them of passengers, as of dust and mud, for few people were abroad, and they were to all appearance hastening fast home.

刮过街道的强风似乎已经除了乘客，除了灰尘泥土一样，因为很少有人在国外，而且从表面上看，他们都在赶快回家。

Once all those weakened areas have been reinforced, the film goes through this ultrasonic cleaner to remove any dust or dirt on the surface.

一旦所有脆弱的部分都被加固，电影胶片会通过超声波洁器来除表面的任何灰尘或污垢。

They aim to remove the dust and debris from the deck without causing any harm to the electronics or losing any of the material.

他们旨在除甲板上的灰尘碎片，同时不损坏任何电子设备或丢失任何材料。

To " vacuum" means to use a large machine that cleans carpets by picking up dirt with strong air – suction.

“吸尘”是指使用一台大型机器，通过强力吸气来除地毯上的灰尘污垢。