英汉词典

1. （在）海外的；（在）国外的
    You use overseas to describe things that involve or are in foreign countries, usually across a sea or an ocean.

    e.g. He has returned to South Africa from his long overseas trip.
           他结束了漫长的海外旅行回到南非。
    e.g. ...overseas trade figures.
           海外贸易额

2. （学生、游客等）来自海外的，来自外国的
    An overseas student or visitor comes from a foreign country, usually across a sea or an ocean.

    e.g. Every year nine million overseas visitors come to London.
           每年有900万外国游客来伦敦观光。