在词典里查找新单词。船长詹姆士·库克是一个伟大的探险家。

Look up the new words in a dictionary. Captain James Cook was a great explorer.

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在单语词典里查找单词，这样你能保证你选择的单词或短语实际上表达了你想的意思。

By looking words up in a monolingual dictionary, you can make sure that the word or phrase you choose actually means what you think it does.

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在单语词典里查找你不认识的词。

Look up words you don't know in a monolingual dictionary.

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