ratchets
[ˈrætʃits]

n.

（防倒转的）棘齿( ratchet的名词复数 )；

v.

（防倒转的）棘齿( ratchet的第三人称单数 )；

英英释义

ratchet[ 'rætʃit ]

• n.mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction

  同义词：rachetratch

• v.move by degrees in one direction only

  "a ratcheting lopping tool"

  同义词：rachet upratchet down

词组短语

ratchet wheel n. [机]棘轮

ratchet effect齿轮效应

ratchet up逐渐升高；略微调高

双语例句

用作名词(n.)

1. A ratchet allows a heavy weight to be raised in short successive stages.
   棘轮可在简短连续的步骤内就把一个重物抬高。
2. In a computer, the games are played 100 times, mimicking a ratchet with many teeth.
   在计算机中，这个游戏进行100次，以模拟有许多齿的棘轮。

用作动词(v.)

1. Smoking and alcohol ratchet up the damage several more notches.
   吸烟和喝酒加深了这种损伤。

权威例句

Forced thermal ratchets.
Experimental tunneling ratchets
Fluctuation driven ratchets: Molecular motors
Periodically Rocked Thermal Ratchets
Fluctuation driven ratchets: molecular motors. Phys Rev Lett 72(11):1766
Garrotes, springs, ratchets, and whips: putting dynamin models to the test
Chaotic Transport and Current Reversal in Deterministic Ratchets
Regular and chaotic transport in asymmetric periodic potentials: Inertia ratchets.
Asymmetric pores in a silicon membrane acting as massively parallel brownian ratchets.
Amoeba-inspired nanoarchitectonic computing implemented using electrical Brownian ratchets