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engineer是什么意思|engineer的用法|engineer的單詞速記|engineer怎么讀|engineer的考法|engineer的中文釋義|engineer的例句|engineer的音
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difference是什么意思|difference的用法|difference的單詞速記|difference怎么讀|difference的考法|difference的中文釋義|difference
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agriculture是什么意思|agriculture的用法|agriculture的單詞速記|agriculture怎么讀|agriculture的考法|agriculture的中文釋義|agri