| 单词 | jumper | 
| 释义 | Word Frequency jumper 1(ˈdʒʌmpə) noun 1. mainly British a knitted or crocheted garment covering the upper part of the body 2.  Also called: pinafore dress US and Canadian a sleeveless dress worn over a blouse or sweater  Word originC19: from obsolete jump man's loose jacket, variant of jupe, from Old French, from Arabic jubbah long cloth coat Word Frequency jumper 2(ˈdʒʌmpə) noun 1.  a boring tool that works by repeated impact, such as a steel bit in a hammer drill used in boring rock 2.  Also called: jumper cable, jumper lead a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component  3.  a type of sled with a high crosspiece  4.  a person or animal that jumps  5.  Irish derogatory, slang a person who changes religion; convert  | 
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