请把遥控器递给我，我想换台。

Please pass me the ___RC, I want to change the channel.

他花了一整个下午组装他的遥控飞机。

He spent the whole afternoon assembling his ___RC plane.

我们正在测试这个软件的RC版本，预计下个月发布正式版。

We are testing the ___RC version of this software, and the final release is expected next month.