Heligoland trap

名词 n.
中文释义

英文释义

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

词形变化

Heligoland traps plural

词源

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