19．追溯到；遠在…年代．date back to/date from．

分析 date from或者date back to 的意思相同，后面都跟一個具體的時間，表示可以追溯到某某時間．但是，date back to更常見一些．

解答 答案：date back to/date from 考查翻譯填空．根據(jù)題意，要填入短語，date back to/date from意為"追溯到；遠在…年代"．例如：The castle dates back to the 14th century．該城堡建于14世紀．

點評 考查翻譯填空，準確地理解題意、然后根據(jù)題意及提示確定所填單詞詞性，正確寫出單詞完成答題．

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