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。

youdao

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？

youdao

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.

通过试验和有限元分析研究被连接元件的相对刚度对多钉双剪连接钉载分配的影响。

youdao

Before long, the girl had swung around to my seat to demonstrate her double-jointed elbows and thumbs as well as a disturbingly loud clack in her jaw when she opened her mouth full bore.

CNN: Stranger's unexpected generosity makes a big impression

Muralitharan was born with a permanently bent arm but it is a double-jointed wrist, perhaps combined with the deformity, which is primarily responsible for the amount of turn he is able to obtain on even the most batsman-friendly surfaces.

BBC: Muralitharan - the record-breaker

It was a fitting end to a career that began when 13-year-old Natalia, completely double-jointed and possessed of an incredible gift for musicality and movement, told her parents she did not want to be an engineer, thank you, she wanted to dance.

WHITEHOUSE: President Obama Speaks at the 2012 Kennedy Center Honors Reception | The White House