rachet
英 ['rætʃɪt] 美 ['rætʃɪt]

n.

（防倒转的）棘齿；

英英释义

rachet[ '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：ratchetratch

权威例句

Cancer survival in five continents: a worldwide population-based study (CONCORD)
Trends and socioeconomic inequalities in cancer survival in England and Wales up to 2001
Modeling smoking history: a comparison of different approaches.
Population-based cancer survival trends in England and Wales up to 2007: an assessment of the NHS cancer plan for England
Continuing rapid increase in esophageal adenocarcinoma in England and Wales.
Re: "Modeling smoking history: A comparison of different approaches"- Reply
Thirty-day postoperative mortality after colorectal cancer surgery in England
036 Socio-economic inequalities in cancer survival in England after the NHS cancer plan
Hybrid analysis for up-to-date long-term survival rates in cancer registries with delayed recording of incident cases.
Survival from malignant digestive endocrine tumors in England and Wales: a population-based study.