为您解答 clearance[英][ˈklɪərəns][美][ˈklɪrəns]n.清洁，清扫; [建]净空; 空隙，间隙; 放行证;例句：Given the apparently excessive size of the clearance and the eccentric choice of route, some detect a stink of corruption in the ...
我所知道的有三个意思.I need my supervisor's clearance in order to view this file 我需要我长官的同意才可以看这个档案.(这里CLEARANCE就是通过,同意)The store is having a clearance sale.这个商店在做清仓大减价.(这里CLEARANCE就是清理,清仓的意思)The car needs some clearance at the back...
clearance净空、间距、间隙the amount of space or distance that is needed between two objects so that they do not touch each other 例句 There is not much clearance for vehicles passing under the bridge.车辆在这座桥下通过时没有多少空隙。拱桥（archbridge）指的是在竖直平面内以拱作为上部...
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