nod的过去式

　　She nodded in agreement, and he saw he had carried his point.

　　她同意地点点头，他明白他的话已收到效果。

　　Several people nodded in approval.

　　好几个人点头表示同意。

　　With a nod and a smile, she took leave of her friends.

　　她点头微笑着向朋友告辞。

　　She nodded her head in agreement.

　　她点头表示同意。

　　He nodded absently, his attention absorbed by the screen.

　　他专心注视着屏幕，只是心不在焉地点了点头。