1、where solid matter or sewage is disintegrated by bacteria.
細菌分解固體或污物的地方。

2、The solid matter in which a fossil or crystal is embedded
基質(zhì)，脈石嵌有化石或水晶的固體物質(zhì)

3、This solid matter is then collected.
然后收集到了這種固體物質(zhì)。

solid matter翻譯