earbone

名词 n.
中文释义

英文释义

名词 n.
  1. Any bone in the ear.
    — This earbone criterion may seem esoteric — until we learn that the evolution of that bone structure is related to the development of a single lower jaw, which in turn, is associated with the fact that mammals, unlike, say, lizards, have differentiated teeth that allow for different kinds of chewing.

词形变化

earbones plural

词源

From ear + bone.
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