Bourtree

[bjәtri:]

解释:

(noun.) a common shrub with black fruit or a small tree of Europe and Asia; fruit used for wines and jellies.

约西亚整理--From WordNet

解释:

n. the elder-tree—also Boun′tree.—n. Bour′tree-gun a pop-gun made of a piece of its wood by taking out the pith.

手打:柯尔斯顿