单词	長年累月
释义	長年累月1. over the years
随便看	working group standards的意思 working group standards，wgs的意思 working head的意思 working height的意思 working holiday的意思 working home的意思 working hour的意思 working-hour method的意思 working-hour method (of depreciation)的意思 working hours的意思 working hours depreciation method的意思 working-house的意思 working hypothesis的意思 working indenter的意思 working in on a line的意思 working in process的意思 working interest的意思 working in the vicinity of live part的意思 working kilometer的意思 working knowledge的意思 working languages的意思 working layer的意思 working level的意思 working liability的意思 working life的意思