| 词汇 | jumping-bean |
| 释义 | jumping bean noun[ C ] uk /ˈdʒʌm.pɪŋ ˌbiːn/ us /ˈdʒʌm.pɪŋ ˌbiːn/ any of several Mexican plants that produce a seed that moves about or jumps because of a moth larva(= form of an insect with wings that has left its egg but has not yet developed into an adult) inside the seed, or the seed of this plant: In the Mexican jumping bean, a moth occupies each carpel and feeds on the seed tissue inside. He's jumping up and down like a jumping bean. The Mexican jumping bean has capsules composed of three carpels, but some of these are occupied by a moth larva rather than a seed. The jumping bean moth lays its eggs on the plant's female flowers. The jumping bean plant has narrow, shiny, green, leaves. Common plants African violet agave aloe aloe vera alpine strawberry dianthus dichondra dieffenbachia dill weed dracaena loganberry maidenhair fern maize mandrake mare's tail sorrel sotol sow thistle Spanish moss spearmint |
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