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Jenny: Shall we go out for dinner tonight? Jacki.....
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Mike: Madam, do all the buses go downtown? Susan.....
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视网膜脱离与脉络膜脱离的超声鉴别点是A、视网膜脱离时,眼内.....
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1939年,()总司令为成吉思汗纪念堂题词纪念[成吉思汗,中华.....
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Amy: Mr. Gordon asked me to remind you of the meeting this afternoon. Don t you forget it!..
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超声通过以下人体软组织可以引起不同程度的衰减,其中衰减程.....
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