third leg第三回合; 下一回合thirdnum.第三；三分之一adj.第三的；三分之一的third decision detector第三判断检波器third-base degeneracy第三碱基简并性third degree statistics三次统计量third-level education第三级教育third-party logistics第三方后勤third party transaction第三方交易third partyE-commerce第三方电子商务Third copulation hybrid三交种Third Industry's OutputThird Battle of Baghdad第三次巴格达之战(1534)