名词
中文翻译：空口袋
同义词：
['void pocket', 'cavity bag例句：1. He found a cavity pocket in the wall and filled it with sand to fix the crack.（他在墙上发现了一个空腔袋，用沙子填充来修补裂缝。）2. The artist used a cavity pocket as a storage container for his tools.（这位艺术家使用一个空腔袋作为他工具的储存容器。）3. The scientist discovered a cavity pocket in the rock formations that held ancient fossils.（科学家在岩石构造中发现了一个空腔袋，里面保存着古代化石。）']
例句：
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1. He found a cavity pocket in the wall and filled it with sand to fix the crack.
他在墙上发现了一个空腔袋，用沙子填充来修补裂缝。
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2. The artist used a cavity pocket as a storage container for his tools.
这位艺术家使用一个空腔袋作为他工具的储存容器。
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3. The scientist discovered a cavity pocket in the rock formations that held ancient fossils.
科学家在岩石构造中发现了一个空腔袋，里面保存着古代化石。