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bolthead

/'bəʊlthed/

📖 中文释义

  1. 螺钉的头, 长颈烧瓶, （枪）机头
📘 English Definition（英文释义）
  1. n. A long, straight-necked, glass vessel for chemical
  2. distillations; -- called also a matrass or receiver.
  3. n. The head of a bolt.
B 字母词表