headbobbing

名词 n.

英文释义

名词 n.
  1. A stereotypic animal behaviour in which the head bobs up and down. uncountable
    — A distinctive feature of the guinea pig's response to conspecific odors (particularly of the male's response to female urine odors) is a behavior we have called headbobbing.

词源

From head + bobbing.
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