His specialty was the art of Magic, so much so that he had actually written and published a little booklet on it, the front page of which bore his name with the title of Professor.

他的特长是魔术。他很精于此，甚至发表了一本关于魔术的小册子，在书的封面上他的名字旁边加上了个教授的头衔。

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The bore sound-absorption panel is a construction sound-absorption material which have round bore in both the front and back of the density panel.

孔型吸音板是一种在密度板的正面、背面都开圆孔的结构吸声材料。

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The bore sound-absorption panel is a construction sound-absorption material which have round bore in both the front and back of the density panel.

孔型吸音板是一种在密度板的正面、背面都开圆孔的结构吸声材料。

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