ponderern.ponder的变形：ponder['pɔndə]vt.默想；深思；考虑：I pondered the incident,asking myself again and again how it could have happened.我反复思考那件事，一再自问究竟是怎么回事。衡量，估量：She pondered her words thoroughly.她说每一句话都要仔细掂量。回想，反思：to ponder the events of history回想种种历史事件vi.沉思，默想，