单词ratchet
n.: 棘齿
v.: 把…造成棘齿形
网络: 救护车；棘轮；棘齿城
（防止倒转的）棘轮，棘齿:
a wheel or bar with teeth along the edge and a metal piece that fits between the teeth, allowing movement in one direction only
把…造成棘齿形,于…作棘齿,在…上刻锯齿
【机械工程】棘齿;棘爪;(尤指钟表、机器的)棘轮,制轮,棘轮机构
〔比喻〕为使收入增长不可逆转所采取的强制手段
齿弧
齿杆
复数：ratchets
现在分词：ratcheting
过去式：ratcheted
n.notchtoothcogwheelpawlv.intensifyinflamestep upstir upincrease
v.lessen
The suit could further ratchet up the tension between H-P and Oracle, which had previously been partners on a number of fronts.
该诉讼将进一步加剧惠普和甲骨文之间的紧张关系，而之前这两家公司在很多领域都是合作伙伴。
He has got to talk tough and look the part, but whether he is really ready to ratchet up pressure remains to be seen.
他必须言辞强硬，很像那麽回事，但他是否真的准备加大压力还有待观察。
If nothing else, Kim should ratchet down the rhetoric out of his own family"s self-interest.
如果没有其他的考虑，金正日出于其自身家族的利益考量也应当低调一些。
The men said they were Indian, but the attacks appeared to ratchet up tensions in an already volatile region.
男子说他们是印度人，但是此次袭击使到本已敏感多变的地区更加剑拔弩张。
The bottom of the dish moved up and down, sloshing the water back and forth through the ratchet.
将盆子的底部上下振动，水便会被搅得在棘轮之间来回流动。
A ratchet wheel with a handle is sheathed on the core bar, and a screw can be easily screwed down or unscrewed by both hands.
在芯杆上套上一个带有扳把的棘轮，双手并用，就可以较轻松地拧紧或卸下螺丝。
A hinged or pivoted device adapted to fit into a notch of a ratchet wheel to impart forward motion or prevent backward motion.
掣爪，棘爪一种枢轴或转轴器械，能与齿轮缺口或齿间吻合来前进或防止后移
Beauvais added that tea itself has no calories, but when you start adding sugar, cream, that can easily ratchet up the calorie count.
博韦还说过，茶叶本身是不含卡路里的，但是当你往里加糖、奶油时，那么茶叶所含的卡路里数量就会增高。
The inner and outer rings are preferably connected by means of a ratchet mechanism allowing for one way advancement there-between.
该内环和外环优选地通过允许在它们之间的单向推进的棘齿机构来连接。
a hinged device that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward.
推动车轮向前或阻止向后移动的嵌在棘齿凹巢的铰链装置。