jumping bean

• n. (墨西哥大戟属树的种子；蛾的幼虫多寄生其中；故能跳动)跳豆

jumping bean的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble