translation.en: And if you weren't just looking at a little section of the fibers, those fibers would be going in helices around the long axis of the skeleton -- something like a Chinese finger trap, where you stick your fingers in and they get stuck.
translation.zh: 如果你不只是看到纤维的一小个切断层 这些纤维会以螺旋的形式 环绕着骨架的长轴—— 有点像中国的指套 你把指头伸进去, 它们就被卡住了