prepositions
[prepə'zɪʃnz]
n.
介词( preposition的名词复数 );
例句:
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Prepositions and conjunctions are particles.
介词和连词是小品词。
来自《权威词典》
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She lays a lot of emphasis on the usage of prepositions.
她把重点放在介词的使用上.
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Complete the following sentences by filling the blanks with proper prepositions and adverbs.
用适当的冠词和副词填空,完成下列句子.
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Prepositions are a way of conveying spatial relations.
来自THETIMES
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Time prepositions Prepositions are small grammatical words that usually go before nouns and pronouns.
来自BBC