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词汇 jumping
词源

jumping adj.

1560s, present-participle adjective from jump (v.). Jumping-bean is from 1878 (earlier jumping-seed, 1870, also devil-bean, 1878). Jumping-jack is from 1821 as a kind of child's stringed toy; as a type of fitness exercise that somewhat mimics its motions, it is from 1921.

updated on February 28, 2016

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更新时间:2025/5/26 5:11:18