ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wiktionary
出典:『Wiktionary』 (2014/12/16 01:18 UTC 版)
cave popcorn (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2010/12/23 05:27 UTC 版)
Cave popcorn, or cave coral, is a very common cave formation. It actually comes in many sizes, shapes, and colors, but is most often found in small, knobby clusters resembling popcorn. It is considered a subcategory of a more diverse type of speleothem called a coralloid.
cave popcorn