词典释义：
[mass noun]painful involuntary contraction of a muscle or muscles, typically caused by fatigue or strain
（常指疲劳或紧张导致的）痉挛；痛性痉挛
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an attack of cramp 痉挛发作
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[count noun]
he suffered severe cramps in his foot .他的脚抽筋得厉害。
(
〈北美〉 （行经引起的）腹绞痛。
a tool, typically shaped like a capital G, for clamping two objects together for gluing or other work
（常指形状如大写G字母的）夹钳。
(亦作
铁夹钳。
[with obj.]restrict or inhibit the development of
限制（或束缚）…的发展
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tighter rules will cramp economic growth .更严格的规定会束缚经济的发展。
[with obj.]fasten with a cramp or cramps
用夹钳夹紧；用铁夹钳固定
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cramp the gates to the posts 用夹钳把大门固定在柱子上。
[no obj.]suffer from sudden and painful contractions of a muscle or muscles
抽筋，痉挛；绞痛。
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cramp someone's style informal prevent a person from acting freely or naturally 〈非正式〉 使某人不能自由行动，使某人受到约束
"late Middle English：from Middle Low German and Middle Dutch
