They complained of violent pain in the head and back.

他们抱怨头部和背部剧烈疼痛。

Nate and Olive joked and laughed as they waited. But soon they stopped. For the cow was now in violent pain, and they could see the calf's whole head. Olive held the lamp.

内特和奥利弗在等待时，开着玩笑大笑。但很快，他们就停了下来。因为母牛现在正处于剧烈痛中，他们能看到小牛的整个头部。奥利弗拿着灯。