swiftlet

名词 n.
中文释义

英文释义

名词 n.
  1. Any of the various tropical and subtropical birds of the four genera Aerodramus, Hydrochous, Schoutedenapus, and Collocalia in the swift family, many of which can navigate in darkness using echolocation.

词形变化

swiftlets plural

词源

From swift + -let.
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