septic tank

tank into which sewage flows and where it remains until the action of bacteria makes it liquid enough to drain away 化粪池.

separability, separable, separably, separate, separate from, separate...from, separated, separately, separateness, separation, separatism, separatist, separator, sepia, sepsis, Sept, sept(i)-, September, septet, septic, septicaemia (US septicemia), septuagenarian, sepulchral, sepulchre (US sepulcher), sequel, sequela, sequence, sequence of tenses, sequential, sequentially, sequester, sequestered, sequestrate, sequestration, sequin, sequoia, seraglio, seraph, seraphic, sere,