象牙的

What do professors and academics sitting in their ivory towers know about the real world?

那些坐在塔里的教授学者对真实世界又知道多少？

Show white, duramen is small the ivory scene that shows pink or grey yellow.

呈白，木心为微显粉红的或灰黄。

Butt cap: Ivorine and that Yin-yang is an inlay.

后臂大﹕由类似的物表阴阳的真实镶嵌组成。