subdivide

v.细分，再分

sub judice, sub-, sub-edit, sub-editor, sub-lieutenant, sub-machine-gun, sub-plot, sub-sequent, subaltern, subarctic, subatomic, subcommittee, subconscious, subconsciously, subcontinent, subcontract, subcontractor, subculture, subcutaneous, subcutaneously, subdivision, subdue, subdued, subheading, subject, subject to, subject-matter, subjection, subjective, subjectively, subjectivity, subjoin, subjugate, subjugation, subjunctive, sublease, sublet, sublimate, sublimation, sublime,