“拜访”表达种种

1.call on/upon、call at指短暂的、社交性的访问,拜访不认识的人或礼节性的拜访。callon指拜访某人,call at指访问某地。如: The next morning I went tocall on Mr.Smith again.第二天我又去拜访了史密斯先生。I called at his house yes-terday.我昨天到他家探访。