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.