doubletree

名词 n.
中文释义

英文释义

名词 n.
  1. a device that connects two horses to a wagon or other implement. The tugs of a harness are connected to a singletree, two of which are connected to a doubletree, which, in turn, is connected to the implement.

词形变化

doubletrees plural double-tree alternative double tree alternative

词源

From double + tree.
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