It's an 8 - to 12-inch layer of dirt impregnated with hydrogels, along with organic agents that nourish the natural bacteria in the soil.

它是一个由8 - 12英寸的一个充满水凝胶的泥土层，还有可以培养土壤中自然菌的有机处理剂。

youdao

Methods Field experimental observation on purification efficacy of electronic air cleaner on particle and natural bacteria in the air was made.

方法采用现场实验观察电子空气净化机对可吸入颗粒、空气中自然菌的净化效果。

youdao

Different antibiotics might be more effective not just because of the effect on the pathogen but also because of the effect on the [body's natural bacteria].

不同的抗生素可能更有效果，不仅仅是因为用在病原体上，而更多的是用在人体自然细菌上。

youdao

Oil seeps naturally from the gulf floor, and natural bacteria exist in the water that eat it.

WSJ: Gauging Harm to Ecosystem Could Take Years

The 125-child study was designed to show that ProBugs would reduce the diarrhea that can occur from antibiotics, which kill off natural helpful bacteria in the gut.

FORBES: The Yogurt Cure

Half of currently marketed drugs are derived from natural sources like bacteria, but drug companies have lost interest in finding more.

FORBES: Companies, People, Ideas