He used a high power microscope to observe the energy field of microorganisms and human blood cells in the laboratory.
(He; used; a high power microscope; to observe the energy field of microorganisms and human blood cells in the laboratory) Context(He used,List([0, 7))):(He; used a high power microscope to observe; the energy field of microorganisms and human blood cells)
He used,List([0, 7))
He He
used used a high power microscope to observe
a high power microscope to observe the energy field of microorganisms and human blood cells in the laboratory
the energy field of microorganisms and human blood cells