The worms break down organic material that can be used to grow plants.

这种蠕虫可以分解用于种植植物的有机物质。

The Perseverance explorer, which is operated by the American space agency NASA, discovered the organic materials.

由美国国家航空航天局运营的“毅力号”火星探测器发现了这些有机物质。

Had the ancient Greek ship sunk in the Mediterranean, for example, there would likely be no organic material left today.

假使这艘古希腊船只在地中海沉没，很可能现今就不会留下任何有机材料。

It appeared to be an organic material.

它似乎是一种有机材料。

Over time, sediments accumulate over the organism, and mineral--rich water seeping through these layers replaces the organic materials with minerals, turning bone to stone and preserving the organism's form.

随着时间的推移，沉积物在生物体上积聚，富含矿物质的水渗入这些层，用矿物质取代有机物质，将骨头变成石头，并保留了生物体的形态。

Permafrost is one of the world's largest carbon reservoirs because of all the organic material it contains— some as intact remains, but much of it in the form of partially decomposed soils and sediments.

永冻土是世界上最大的碳库之一， 因为它含有所有有机物质——一些是完整的遗迹，但大部分以部分分解的土壤和沉积物的形式存在。