名词
中文翻译：火山口
同义词：
['caldera', 'crater例句：1. The sunken caldera is a natural wonder that attracts tourists from all over the world.（这个凹陷的火山口是一个自然奇观，吸引了来自世界各地的游客。）2. The sunken caldera has been studied for its potential to store and release large amounts of water.（这个凹陷的火山口被研究用于储存和释放大量的水。）3. The sunken caldera is a reminder of the power and destruction that nature can bring.（这个凹陷的火山口是大自然力量和毁灭的象征。）']
例句：
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1. The sunken caldera is a natural wonder that attracts tourists from all over the world.
这个凹陷的火山口是一个自然奇观，吸引了来自世界各地的游客。
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2. The sunken caldera has been studied for its potential to store and release large amounts of water.
这个凹陷的火山口被研究用于储存和释放大量的水。
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3. The sunken caldera is a reminder of the power and destruction that nature can bring.
这个凹陷的火山口是大自然力量和毁灭的象征。