The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固颗粒侵蚀，寿命长，适合各种气、液阀门的密封。

This dirt is a reproach to the city.

肮脏是城市的耻辱。

There is some dirt on your coat.

你的外套上有灰尘。

The road petered out into a dirt track.

大道延伸到一条泥土小径。

Manchester is renowned for the sweat and dirt of industry.

曼彻斯以工业带来的辛劳和肮脏闻名。

Motorcycle riders with dirt bike experience are significantly underrepresented in the accident data.

有山地车经验的摩托车驾驶员所占比例非常小。

Break up these large lumps of dirt.

把这些大泥块弄碎。

The journalists like to dish the dirt about television stars.

记者有时喜欢揭电视明星的疮疤。

I’ve got a speck of dirt on my shirt.

我的衬衫上有一点污垢。

A dark suit will not show the dirt.

黑色服装不显脏。

His hands were begrimed with oil and dirt.

他的手被油和污物弄脏。

Mother was in the garage, brushing the dirt aside.

母亲正在车库里扫除灰尘。

The drain was choked up with dirt.

排水管被污物堵住了。

The worker quickly cleared away the dirt that was choking up the chimney.

那工人很快就把塞住烟囱的污垢清除干净了。

Alarmed at the first sound, we hit the dirt.

第一声警报一响我们就迅速卧倒。

All this dirt that has got into my watch has gummed up the watch.

手表被钻进去的污垢弄坏了。

Wheels leave grooves in a dirt road.

车轮在泥路上留下了凹痕。

The children were outside playing happily in the dirt.

小孩在外面的泥土里玩得很开心。

This metal net filters out the dirt.

这个金属网滤掉污物。

A dark shirt will not show dirt.

黑衬衫不显脏。