ribstone

名词 n.
中文释义

英文释义

名词 n.
  1. A petroglyph in the form of an animal's rib cage.
    — Virtually all of the formal investigations of the Alberta ribstones have led to conclusions of great antiquity. Many of the ribstones are of quartzite, one of the hardest rocks known. These monoliths exhibit advanced erosion and deep patination.

词形变化

ribstones plural

词源

From rib + stone.
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