词汇	principal sign
释义	principal sign 医主征
随便看	A collection will be made for the fund a collective creation a collective farm A collective farm in the Soviet Union a collect of rubbish a collector of antiques a collector of revenue a collector of sculpture A collector of taxes or tribute from the public a collect phone call a collect telephone call a college chapel a college community a college diploma A college education is my objective a college girl a college instructor a college journal a college of agriculture a college of education a college of further education a college of surgeons a college prep course A college prep course a college prof