assiduous

adj. 勤勉的，专心的

assay, assegai, assemblage, assemble, assembly, assembly line, assent, assert, assertion, assertive, assertively, assertiveness, assess, assessment, assessor, asset, asset-stripping, asseverate, asseveration, assiduity, assiduously, assign, assignable, assignation, assigned, assignment, assimilate, assimilation, assist, assist in, assist sb. in sth., assist sb. with sth., assistance, assistant, assize, Assoc (also assoc), associate, associate...with, associated, association,