名词
中文翻译：漏洞
同义词：
['gap', 'hole', 'breach', 'fissure']
例句：
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1.The leaky roof needs immediate repair.
这个漏雨的屋顶需要立即修理。
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2. Theengineer found a gap in the wall thatneeded to be filled.
工程师发现墙里有一道裂缝需要填补。
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3. The gap between thetwo countries has widened over the years.
两国之间的差距多年来已经扩大了。