Heligoland trap

短语

词形变化

Heligoland traps 复数 Heligoland traps

释义与例句

n.
  1. 1.

    A large, building-sized, funnel-shaped, rigid structure of wire mesh or netting used to catch birds for ornithological study.

词源

The first such trap was located at a bird observatory on the island of Heligoland, Germany.

来源：wiktionary