Joshua tree

joshua-tree的词性：
n.（名词）

1. A treelike plant (Yucca brevifolia) of the southwest United States, having sword-shaped leaves and greenish-white flowers grouped in large panicles.
短叶丝兰，约书亚树：产于美国西南部的一种树状植物（短叶丝兰 丝兰属） 长有剑形叶，开有淡绿色花，花为圆锥状大花簇

joshua-tree的词源：

2. Probably after Joshua [from the resemblance of the tree's greatly extended branches to Joshua's outstretched arm as he pointed with his spear to the city of Ai (Joshua 8:18)]
可能源自 Joshua[因为这种树的树枝伸展得很开，好象约书亚用长予指向艾城时伸出的手臂（《约书亚记》8：18)]