That's a little spicule of primary bone just beginning to form.

那是一小块刚刚开始形成的原始骼。

" It'd be doin' 'em an unkindness, Hermione, " he said gravely, threading a massive bone needle with thick yellow yarn.

“这对他们来说不是一件好事，赫敏，”他严肃地说，用黄色粗纱线穿过一根粗大的。

Looking inside using X-ray nano-tomography gives us a clue into how spicules develop.

使用 X 射线纳米层析成技术观察内部，为我们提供了如何发育的线索。

The old woman sighed, whipped the wool twice round her thumb, and drew the bone needle through.

老太婆叹了口气， 用大拇指上的毛线打了两下， 把穿了过去。

Under the microscope, spicules from three different kinds of sponges all have the same crystalline hexagonal structure, like a snowflake.

在显微镜下，三种不同海绵的都具有相同的结晶六方结构，花一样。

" She was dead, " Varamyr said, wincing as her bone needle pierced his flesh. " Someone smashed her head. Some crow" .

" 她已经死了，" 瓦拉米尔说。她的刺穿皮肉，他不禁一缩。" 别人砸碎了她的脑袋。乌鸦干的。"

Even though this basic structure is the same across species, the spicules then take many different shapes, such as pointy needles, branched trees, or spiked spheres.

尽管这种基本结构在不同物种之间是相同的，但会呈现出许多不同的形状， 例如尖、分枝树或带刺的球体。

The basic unit of this skeleton is called a spicule, which can be long and sharp or short and chunky, depending on whether the sponge uses it for structure or defense.

这种架的基本单位称为，它可以长而尖， 也可以短而粗，这取决于海绵是将其用于结构还是防御。