1.有双关节的；关节能前后弯曲的having joints in your fingers, arms, etc. that allow you to bend them both backwards and forwards
Special exercises for the remedy double-jointed thumbs, weak knuckles and fingers will be discussed in this paper.
此外，一些改正大姆指夹指、弱指关节和弱指的特殊练习也会在本文中讨论。
Also, Kobian has a double jointed neck which helps it to achieve more expressive postures.
除此之外，Kobian还长着双重关节脖子，帮助它完成更富于表情的动作。
The robot features a double jointed 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。
Grandma: I didn't know Ben was double-jointed.
外婆：我就是喜欢本敲我的竹杠。
Are you double-jointed?
你有双关节吗？
以上图片仅供学习交流使用，版权归原作者所有，如有侵权，请与我方联系
