This means that if the woman bleeds from her womb at any time other than her regular menstruation time, she is still unclean just like during her menstruation.
# She is unclean ... Whoever touches ... will be unclean
People whom other people may not touch are spoken of as if they were physically unclean. (See: [[rc://en/ta/man/translate/figs-metaphor]])
# everything on which she sits will be unclean
Objects that other people must not touch are spoken of as if they were physically unclean. (See: [[rc://en/ta/man/translate/figs-metaphor]])