例句:The crowd is gathering.
      人群正在聚集。
2.smoothly adv.平滑地;流畅地,连续而流畅地
例句:The cogs gear smoothly.
      齿轮啮合得很好。
平稳地;顺利地
例句:Life is running smoothly for them.
      他们生活很安稳。
3.invitation n.招待,邀请,请帖;吸引
例句:He declined an invitation to dinner.
      他谢绝了赴宴的邀请。
4.conservative n.保守的人
例句:Aunt Mary's a real conservative.She's totally opposed to women going out to work.
      玛丽姑妈是一个极守旧的人, 她根本就反对女人外出工作。
5.nomination n.提名;推荐;任命;指派
例句:She has withdrawn her nomination as chairman.
      她已退出主席一职的提名。
      Nominations are invited for the post of party chairman.
      为党主席职位征集候选人。