gull-billed tern

短语

词形变化

gull-billed terns 复数 gull-billed terns

释义与例句

n.
  1. 1.

    A medium-sized tern, Gelochelidon nilotica, family Laridae, with a thick stout black bill, found in marshy and coastal habitats throughout the temperate and tropic zones worldwide.