Word: 节能 (jiénéng) Traditional: 節能 节能 dictionary entry jiénéng to conserve energy Full dictionary entry for 节能 Example sentences using 节能 2 sentences, showing page 1 of 1. 为了节能，请随手关灯。 Wèile jiénéng, qǐng suíshǒu guān dēng. To save energy, please switch off the lights as you leave. 这辆车既环保又节能。 Zhè liàng chē jì huánbǎo yòu jiénéng. This car is both eco-friendly and energy-saving.