v.伸直；解开；放松
This kind of wire is easy to unbend. 这种金属线很容易弄直。
Right now, head, neck and back should up unbend. 此时，头、颈和背部应该向上伸直。
Most professors unbend outside the lecture theatre. 教授在课下大都很随便。
She was very formal at first, but then she unbent a little and told a joke. 她起先显得很正经，但后来变得随和些，还讲了个笑话。
