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。
2
Phoenix will deliver the scoopfuls of dirt to its miniature ovens, and vapors from the heating will be analyzed for traces of organic compounds.
凤凰号挖取土壤，把土壤送入小型钳锅内，然后分析加热时产生的蒸汽，寻找有机物的踪迹。
3
The lander is equipped with a robotic arm capable of scooping up ice and dirt to look for organic evidence that life once existed there, or even exists now.