trunk call

例句：

1. 1. trunk call
   名词
2. 2. trunk call
   动词
3. 1. The company's trunk call system is state-of-the-art.
   公司的长途电话系统是最先进的。
4. 2. She made a trunk call to hersister in another city.
   她给另一个城市里的姐姐打了长途电话。
5. 3. During thelong-distance call,they discussed their plans for theupcoming vacation.
   在长途电话中，他们讨论了即将到来的假期的计划。