treadmill

• 名词，有多重含义：可指带有移动跑带的室内健身器材，用于原地行走或跑步；也可指历史上由人或牲畜踩踏旋转装置驱动的磨坊；还可指单调、劳累且束缚人的工作或常规。

A noun with multiple meanings: it can refer to an exercise machine with a moving belt for walking or running in place; a historical mill powered by people or animals walking on a rotating mechanism; or a job or routine that is monotonous, tiring, and confining.

1. Exercise machineA2formal

   A piece of exercise equipment with a moving belt that allows a person to walk or run in place.

   跑步机

   • She runs on the treadmill every morning for 30 minutes.
   • The gym has several new treadmills with built-in screens.
   • He prefers the treadmill to running outside in bad weather.

2. Historical millB2formal

   A device historically used for grinding grain, powered by a person or animal walking on a circular path or steps.

   人力或畜力磨坊

   • In the 19th century, prisoners were sometimes forced to work on a treadmill.
   • The museum has a replica of an old treadmill used to grind corn.
   • Animals like horses or oxen were used to power the treadmill.

   同义词treadwheel

3. Monotonous routineB2informal

   A job or lifestyle that feels repetitive, boring, and confining.

   单调乏味的生活

   • He felt trapped in the daily treadmill of commuting and office work.
   • Many people want to escape the corporate treadmill.
   • The endless cycle of chores felt like a treadmill she couldn't get off.

   同义词drudgerygrindrat raceroutinerutslog