clearance [ˈklɪərəns]
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基本释义
n.净空;许可(证);清算;清除,清理
英英释义
when waste or things you do not want are removed from a place
参考例句
There was a clearance of only ten centimetres between the two walls. 两堵墙之间只有十厘米的空隙。
The ship sailed as soon as it got clearance. 那艘船一办好离港手续立刻启航了。
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