名词
中文翻译：空隙
同义词：
['gap', 'crevice', 'crack', 'hole']
例句：
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1.The gap between the books is too wide for me to reach through.
书之间的空隙太宽，我够不着。
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2.The crack in the wall was caused by a heavy rain.
墙上的裂缝是由大雨造成的。
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3. The hole in the roof made it difficult to keep the house dry.
屋顶上的洞使得房子难以保持干燥。