八树,草药名称。落叶小灌木,叶楕圆互生。枝杆对称四道自下而上的棱,灰色,无味。专治因柒树而生长的柒疮,皮肤骚痒溃疡等。采枝叶烧汤洗患处即愈。上等好草药。 学名小卫矛,卫矛科小灌木。高0·5米至2米,茎干及老枝有窄条状四棱木 栓翅。羽状复叶对生,矩圆状披针形,长约6厘米,宽2厘米,叶背近脉处常有稀疏细 毛。伞形花序,"只有一至二朵花,花梗短,长3厘米以下,花与叶同时开放。春发秋 落。果紫红色,近球状,有四浅裂。是预防和治疗漆毒的良药。
以八叉剖分来建立一棵顶点树,用以表示整个网格模型的数据结构。
A vertex tree is built to represent the data structure of the models by octonary subdivision.
但孩子们确实热爱学习真实的东西——为什么树会有叶子,为什么负负得正,亨利八世砍了他多少老婆的头。
But children do love learning real things-why trees have leaves, how two minuses make a plus, the number of wives' heads Henry VIII removed.
两人立即死亡,八人伤势严重,而贝希尔被甩到一百英尺开外的一棵金合欢树树顶上。
Two men died instantly, eight suffered serious wounds, but Bachir was hurled a hundred feet away into the top of an acacia tree.
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