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clearance的音标：clearance的英式发音音标为：['klɪərəns]clearance的美式发音音标为：['klɪrəns]...
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They have to wait for clearance from air traffic control.他们需要等空中交通管制人员的放行。He has a security clearance that allows him access to classified information.他获得了安全许可，可以接触机密信息。Thai Airways said the plane had been given clearanc...
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The pilot was given clearance to land by air traffic control.飞行员得到空中交通管制站发出的着陆许可。Clearance of the site required the removal of a number of trees.清理这一场所需要移走不少树。Clearance after the fire, Chinese cabbage, Suanmiao Add to th...
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clearance的复数形式为：clearances...