这套灌溉系统可以用手机遥控,农户不必半夜赶到田里查看阀门。Zhè tào guàngài xìtǒng kěyǐ yòng shǒujī yáokòng, nónghù bú bì bànyè gǎn dào tián li chákàn fámén.This irrigation system can be controlled remotely by mobile phone, so farmers do not have to rush to the fields at midnight to check the valves.
他用遥控器打开了客厅的电视。Tā yòng yáokòngqì dǎkāi le kètīng de diànshì.He switched on the living room TV with the remote control.
无人机可以从很远的地方遥控飞行。Wúrénjī kěyǐ cóng hěn yuǎn de dìfang yáokòng fēixíng.A drone can be flown by remote control from very far away.