underwater cave system
📖 释义
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水下洞穴系统
💬 例句
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Exploring an underwater cave system requires specialized training and equipment due to the extreme risks involved.
由于存在极大的风险,探索水下洞穴系统需要专门的培训和设备。
Exploring an underwater cave system requires specialized training and equipment due to the extreme risks involved.
由于存在极大的风险,探索水下洞穴系统需要专门的培训和设备。