延长❶lengthen;prolong;extend ❷renew 输油管~了100千米。The oil pipeline was extended another 100 kilometres./本护照有效期~至某年某月某日。The validity of this passport is extended to…/本协定的有效期将自动~…年。The present Treaty shall be automatically prolonged for another period of…years./会议~了3天。The conference was prolonged for three more days./~假期extension of holiday/~…最惠国待遇renew…MFN status/~期限extend the deadline/~有效期prolong the period of(its)validity;validity renewed/~项目期限extension of project duration |