请输入您要查询的英文单词：
单词
ratchet
释义
ratchet
2
VERB
I
/ˈrætʃɪt/
to increase or decrease by small amounts over a period of time , or to make something do this （使）增加（或减少）
We are taking steps to ratchet up our profit margin.
我们正采取措施提高我们的利润率。