在线词典一世犹一代; 三十年; 一生;一辈子; 举世;全天下。拼音yī shì解释犹一代; 三十年; 一生;一辈子; 举世;全天下。英文释义generation; period of 30 years; one's whole lifetime; lifelong; age; era; times; the whole world