生物医药大词典
英文: Even homer sometimes nod.
中文: 巨匠也有败笔。英文: He indicated approval with a nod.
中文: 他点头表示赞同。英文: A nod was the answer.
中文: 点头算是回答。英文: I just smile and nod.
中文: 我只是笑一笑，点点头。英文: Reluctantly, they nod their heads.
中文: 他们有点迟疑地的点了点头。