英语词汇“jackknife”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	jackknife
释义	Word Frequency jackknife (ˈdʒækˌnaɪf) nounWord forms: plural -knives 1. a knife with the blade pivoted to fold into a recess in the handle 2. a former name for a type of dive in which the diver bends at the waist in midair, with the legs straight and the hands touching the feet, finally straightening out and entering the water headfirst; forward pike dive verb (intransitive) 3. (of an articulated lorry) to go out of control in such a way that the trailer swings round at an angle to the cab 4. to make a jackknife dive
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