The robot features a doublejointed neck that helps it achieve more expressive postures.
这台机器人脖颈处有双接缝，有助于他表达更多情感。
2
If you can, you might be what some people call "double-jointed." But, a Moment of Science wonders, how could anyone have double joints?
如果你能做到，那么你可能拥有双关节。但是，《科学一刻》想知道，一个人怎么可能拥有双关节呢？
3
In the present paper, an experimental and analytical study of effects of jointed member stiffness on the fastener load distribution is performed for double-shear, multiple-bolted joints of composite.