unicast

例句：

1. 1. The broadcaster unicasted the news to all over the country.
   广播员向全国各地发送了新闻。
2. 2.The company unicasts its products to international markets.
   该公司将其产品专送至国际市场。
3. 3.The teacher unicasted a lesson on time management to the students.
   老师向学生单播了一节课关于时间管理的内容。