show-and-tell (n.)是什么意思，show-and-tell (n.)的翻译，show-and-tell (n.)音标、读音、用法和例句

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show-and-tell (n.)是什么意思，show-and-tell (n.)的翻译，show-and-tell (n.)音标、读音、用法和例句_沉淀汉英词典