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火山口湖:是火山形成喷发过后形成的一个碗状物,经过许多次的降雨,雨水聚集在火山口,所形成的火山口湖。也因为已经令却,所以就不会蒸发。
Crater Lake: It is a bowl formed after volcanic eruption. After many times of rain, rainwater gathered in the crater and formed the crater lake. Because it has been so, it will not evaporate.