' Several people around us in the crowd swivelled their heads.

’人群中有几个人转过头。

Their neck vertebrae also suggest that they could swivel their heads quickly, which would've helped them track and strike at their prey.

它们的颈椎也表明它们可以快速转动头部，这有助于它们追踪和攻击猎物。

[Jora] Hi my name is Jora. I'm ten years old and I live in Hinesburg. My question is how do owls swivel their heads all the way around.

我的问题是猫头鹰是如何一直转头的。