It is difficult to distinguish an extinct volcano from a ...
There is no consensus among volcanologists on how to define ...
The underground river that flows 13,000ft below ground ...
The ring of light that seems to encircle the sun or moon ...
On 11 April 2012 an undersea earthquake struck near the ...
Weather radar that measures direction and speed of a moving ...
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用語
グロッサリ
11
フォロワー
18
1
2
22
6
95
10
51
3 用語
