·been the past participle of be ‘to exist.’動(dòng)詞的過去分詞形式,表示“存在”。To have been able to sail around the world was,he felt,his greatest opportunity in life.他覺得,對(duì)他來說,能夠乘船航行到過世界各地是人生最好的機(jī)會(huì)?！in a storage container.貯藏......（本文共 257 字）     [閱讀本文] >>