英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Treadmill的结果
Treadmill
(n.)
A mill worked by persons treading upon steps on the
periphery of a wide wheel having a horizontal axis. It is used
principally as a means of prison discipline. Also, a mill worked by
horses, dogs, etc., treading an endless belt.