You can help your children to gain the concept that soil is not just dirt but something necessary for life.

你可以帮助你的孩子认识到，土壤不仅仅是泥土，而且是生活必需的东西。

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I know that I'm just dirt!

我知道我仅仅是污垢！

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Tomorrow ! I know that I'm just dirt !

明天我知道我仅仅是污垢！

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who is really slacking. You notice dirt piling up or just weird things.

谁工作松懈。你会看到成堆的垃圾或者很奇怪的事情。

旧金山的调酒师 - SpeakingMax英语口语达人

Where there was once just a dirt track running through town, now a paved road is nearing completion.

CNN: STORY HIGHLIGHTS

As you fly new ideas up the flagpole, some of them will hit paydirt and some of them will just hit dirt.

FORBES: The 4 Lessons We Learn by Making Mistakes and Refusing to be Relentlessly Pleasant

It is an ambitious project just trying to clean the 60 years worth of dirt is just the first task in getting the place up to the required levels of health and safety for public use.

BBC: Reawakening the Underground