class

n.班级；阶级；(一堂)课；门类

clannish, clannishly, clannishness, clansman, clap, clap eyes on, clapboard, clapper, clapper-board, claptrap, claret, clarification, clarify, clarinet, clarinettist (also clarinetist), clarion, clarity, clash, clasp, clasp-knife, class-conscious, class-consciousness, class-feeling, class-list, class-mate, class-room, classic, classical, classically, classicism, classicist, classifiable, classification, classified, classify, classify...as, classless, classmate, classroom, classy,