union delegate

例句：

1. 3.
   在政治或法律场合
2. 1.The union delegate will speak at the conference today.
   工会代表今天将在会议上发言。
3. 2. She is a well-known author who has written many books on the subject of education.
   她是一位著名的教育家，写过许多关于这一主题的书籍。
4. 3. He acted as a delegate to the international conference.
   他作为代表参加了国际会议。