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：ratchet??/??rachet
But clearly the Sandusky matter ratches our collective horror and disgust to the highest degree.
FORBES: Penn State's Reputation and Paterno's Legacy Shellacked by Damning Freeh Report
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。