tumbler

• 多义词：做翻筋斗和空翻动作的体操运动员；平底无柄无脚的饮用杯；锁中需正确对位才能移动锁舌的活动部件；或能在飞行或地面做后空翻的鸽种。

A noun with multiple meanings: a gymnast who performs acrobatic rolls and somersaults; a flat-bottomed drinking glass without a handle or stem; a movable part in a lock that must be positioned correctly for the bolt to move; or a breed of pigeon that performs backward somersaults in flight or on the ground.

1. GymnastB2formalsport

   A person who performs acrobatic feats such as rolls, somersaults, and twists.

   翻筋斗的人

   • The tumbler executed a perfect backflip on the mat.
   • She trained as a tumbler for the circus performance.
   • The young tumbler amazed the audience with his agility.

   同义词acrobatgymnast

2. Drinking glassA2formal

   A flat-bottomed glass without a handle or stem, originally designed with a round bottom.

   平底玻璃杯

   • He poured water into a clean tumbler.
   • The bartender served the whiskey in a heavy tumbler.
   • She dropped the tumbler and it shattered on the floor.

   同义词beakerglass

3. Lock componentC1formaltechnical

   A movable part inside a lock that must be moved to a specific position, usually by a key, to release the bolt.

   锁簧

   • The locksmith adjusted the tumblers to fit the new key.
   • A broken tumbler prevented the lock from opening.
   • Each tumbler in the lock must align perfectly for the bolt to slide.

4. Pigeon breedC2formal

   A type of pigeon known for performing backward somersaults during flight or on the ground.

   翻飞鸽

   • The tumbler pigeon tumbled gracefully in the air.
   • He breeds tumbler pigeons for their unique flying style.
   • Watching the tumbler pigeon somersault was a fascinating sight.