| 1. | The anatomy of the strands was not investigated .
没人研究过菌绳的解剖学。
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| 2. | He is always investigating or doing something .
他永远在探索或做一些事情。
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| 3. | The health authorities are investigating the matter .
卫生当局正调查这件事。
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| 4. | The police are investigating the cause of the explosion .
警方正在调查爆炸的原因。
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| 5. | Police are investigating a break-in at the bank .
警方正在调查有人闯入银行的事件。
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| 6. | The police are investigating an important new lead .
警方正在调查一条重要的新线索。
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| 7. | Everything has been analyzed and investigated .
每件事情都做了认真的分析和调查研究。
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| 8. | Scientists investigate the nature .
科学家研究自然。
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| 9. | He was asked to investigate the causes of a railway accident .
要他去调查火车肇事的起因。
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| 10. | No ailment was found, and he investigated again .
并没有发现什么毛病，于是他又检查了一遍。
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