animal matter的用法和样例：
例句
- Oil-yielding organic matter is contained in the shales.
在这些页岩里有产油的有机物质。 - The decay of a tree following its death is another slow oxidation process, depending, like respiration, on the organic matter produced by photosynthesis.
一棵树木死后发生腐烂又是另一种缓慢的氧化作用过程，就像呼吸一样，这个过程依赖于由光合作用产生的有机物质。
