assiduous的精选

想知道如何拼写assiduous吗？Hisspiritofassiduousstudyisworthyofemulation.Thereisnosuchthingasgenius,itisonlyassiduousanddiligent.Iknowthedegreeofmastermeantmanyyearsofassiduousstudyandhardwork.Withmyhard...