most important; main; chief
earliest in time or order of development; of or for fundamental education
"current through the primary coil induces current in the secondary coil"
"primary goals"
"a primary effect"
"primary sources"
"a primary interest"
"a primary instinct"
"the chief aim of living"
"the main doors were of solid glass"
"the principal rivers of America"
"the principal example"
"policemen were primary targets"
"the master bedroom"
"a master switch"
"an elementary need for love and nurturing"
St. Thomas..distinguished God as the primary cause.
出自: R. A. Knox
Primary source material, research papers based on direct experimental data.
出自: C. Potok