The reason this matters is that 95% of dissolved organic matter seems to be refractory.
这很重要的原因是因为95%的溶解有机物貌似是难熔的。
2
The excreta of humans and land animals contain soluble refractory organic matter.
人和陆生动物排泄物含有可溶的难处理有机物质。
3
The refuse contained a large and diverse population of micro-organisms with a high capacity for decomposing refractory organic matter present in some wastewaters, including leachate.