seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble 同义词：jumping seed, Mexican jumping bean,
例句与用法
1.
Brian : i hope that they ' re jumping beans because you ' re joining our sky - diving team . that ' s right , you ' re going up there 布莱恩:我希望他们是跳豆，因为你将要加入我们的特技跳伞队。没错，你将要飞上青天。
2.
Brian : i hope that they ' re jumping beans because you ' re joining our sky - diving team . that ' s right , you ' re going up there 布莱恩:我希望他们是跳豆，因为你将要加入我们的特技跳伞队。没错，你将要飞上青天。
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