prepositionn.介词
prepositional specifier介词限定词,前置词限定词
preposition ground case[计] 介词组角色
prepositional complement介词补语
prepositional infinitive介词不定式
prepositions of reaction反应前置词
prepositional conjunction前置连接词
prepositional connectives命题联结词
prepositionless government无前置词支配关系
preposition of locality in方位介词in
Prepositioned War Reserves预置作战储备物资