那只绵羊突然用头撞了篱笆。

The sheep suddenly ___butted the fence with its head.

那只羊用角顶了篱笆一下。

The sheep ___butted the fence with its horns.

我们在开会时，他突然插嘴提出自己的意见。

He suddenly ___butted in with his opinion during our meeting.