她正在训练，想成为一名长跑运动员。

She is training to become a ___long ___distance runner.

我需要给海外的家人打一个长途电话。

I need to make a ___long ___distance call to my family overseas.

许多长途卡车司机使用高速公路服务区来休息。

Many ___long ___distance lorry drivers use motorway services to rest.