单词	lump-sum commutation
释义	lump-sum commutation 整笔折付款
随便看	protection multiprogramming memory protection net protection network protection objective protection of protection of agricultural environment protection of air defence line protection of alternating-current supply line protection of amino group protection of ancient architecture protection of ancient books protection of ancient buildings protection of ancient city protection of ancient temple protection of animal Protection of Animal Genetic Resources protection of animals protection of arable land protection of authorship protection of basic farmland Protection of Basic Rights protection of benefits protection of biodiversity Protection of bio-diversity Protection of bionts