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Crater
01
火山口
the round top of a volcano
02
火山口
a depression on the surface of a celestial body, formed by the impact of cosmic debris such as meteoroids or asteroids
03
火山口
a faint constellation in the southern hemisphere near Hydra and Corvus
例子
The scientist studied the formation of the crater after the volcanic eruption.
The impact crater in Arizona is a famous geological site attracting visitors worldwide.
The scientists descended into the volcano's crater to collect samples of lava and gases.
They encountered a gigantic crater in the desert, evidence of a meteor impact from centuries ago.
Cometary impacts on planets or moons can leave behind craters or other surface features.
