selectivity

n. 选择性,选择度,分离性

segregate, segregation, Seine, seismic, seismograph, seismologist, seismology, seismometer, seize, seize hold of, seize sb. by the, seizure, seldom, select, select committee, selection, selection committee, selective, selective service, selectively, selector, selenium, selenium cell, self, self hem, self-, self-abnegation, self-absorbed, self-absorption, self-abuse, self-addressed, self-appointed, self-assembly, self-assertion, self-assertive, self-assurance, self-assured, self-catering, self-centered, self-centred (US -centered),