音标:['rætʃit] ;
n. 棘轮, 棘爪
[机] 棘轮, 棘齿轮
n. mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
v. move by degrees in one direction only
词型变化:名词复数形式 : ratchets ; 第三人称单数 : ratchets ; 现在分词 : ratcheting ; 过去式 : ratcheted ; 过去分词 : ratcheted
词性分布:
动词60%
名词40%

ratchet的用法和样例:

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。

词汇搭配

  • ratchet gearing棘轮传动装置,棘轮机...
  • ratchet brace棘轮摇钻
  • ratchet jack棘轮起重器
  • ratchet wheel[机]棘轮
  • ratchet pawl棘轮爪,棘轮掣子...
  • ratchet tooth棘轮齿
  • ratchet relay棘轮式继电器...
  • ratchet drive棘轮驱动,棘轮传动...
  • ratchet lift棘轮式起落机构...
  • ratchet stop棘轮式挡料装置...
  • ratchet clutch棘爪离合器
  • ratchet handle棘轮手柄
  • ratchet gear棘轮
  • brake ratchet制动爪,制动棘轮机构...
  • ratchet drill棘轮式手摇钻,棘轮扳...
  • ratchet wrench棘轮扳手
  • ratchet bar棘齿条
  • ratchet effect棘轮
  • ratchet coupling闸轮联轴节
  • ratchet mechanism棘轮机构,棘轮传动装...

经典引文

  • The union movement has not been responsible for ratcheting up inflation.

    出自:Daily Telegraph
【近义词】

1135 、 晶体点阵;晶体格构;晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(158) / 评论(0) 分类 英文名句短语

RB 天王 Chris Brown 联手 T.I.,E-40 新单 《Episode》!有表哥 Chris Brown 的MV,都是金碧辉煌,美女缭绕的,真是太性感了,受不了了啊,合作单曲很赞哦。 歌词: [Hook] All the little bad bitches in here If

发表于:2019-02-01 / 阅读(110) / 评论(0) 分类 流行英文歌曲

今天我们要学的词是ratchet。 Ratchet是一个机械部件,叫棘轮,推动机器向一个方向转动。做为动词,我们可以说: ratchet something up or ratchet something down, 意思是逐渐提高或是逐渐降低。 哈佛大学

发表于:2019-02-02 / 阅读(110) / 评论(0) 分类 英语每日一词

今天我们要学的词是ratchet。 Ratchet是一个机械部件,叫棘轮,推动机器向一个方向转动。做为动词,我们可以说: ratchet something up or ratchet something down, 意思是逐渐提高或是逐渐降低。 哈佛大学

发表于:2019-02-02 / 阅读(146) / 评论(0) 分类 英语单词荟萃

今天我们要学的词组是ratchet up。Ratchet up,意思是激化、加剧 。North Korea's foreign minister ratcheted up tensions, saying his country had the right to shoot down U.S. planes even outside North Korean airspace. 朝鲜外交部长加

发表于:2019-02-16 / 阅读(96) / 评论(0) 分类 英语单词荟萃
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