(could only; as far as) Suggested answer: When I was a second grader, one of my classmates got a red radio-controlled toy car as a birthday gift.

我上小学二年级的时候，我们班有个同学得到的生日礼物是一辆红色的遥控车。

youdao

He was persistent in sending off demo tapes to radio stations in the North West, eventually getting the chance to present for Red Rose Radio in Preston where he stayed for almost 13 years, and presented every programme on the station from the overnight graveyard shift to the former five hour 'all speech' sports programme.

BBC: Lancashire - Presenter profile: John Gillmore

Red River Radio's Lizzy O'Leary toured parishes in western Louisiana by air with the National Guard.

NPR: Cameron Parish Hit Hard by Hurricane Rita

The patent points out that networked portable devices which employ infra-red or radio-frequency communication have limitations.

ECONOMIST: The human body as a computer bus