pillow lava

名词 n.

英文释义

名词 n.
  1. The rock type, resembling pillows, typically formed when lava emerges from an underwater volcanic vent or a lava flow enters the ocean. uncountable
  2. A rock of that type. countable
    — Ancient pillow lavas are easily recognisable. I first saw them underneath a lighthouse on the coast near Fishguard in western Wales […]

词形变化

pillow lavas plural
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