three-pounder

名词 n.
中文释义

英文释义

名词 n.
  1. A cannon of a certain bore size (caliber) that was named for an iron cannonball that weighed three pounds in a certain outdated system of weights and measures.
  2. A cannonball of the type that gave such a cannon its name.

词形变化

three-pounders plural
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