prepositions [prepə'zɪʃnz]

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附加级

n.介词( preposition的名词复数 )

She lays a lot of emphasis on the usage of prepositions. 她把重点放在介词的使用上。来自《简明英汉词典》
Prepositions and conjunctions are particles. 介词和连词是小品词。来自《简明英汉词典》