Chinese Vocabulary环保eco-friendlyhuánbǎoUsage & ExplanationGood for the environment and the Earth.Hear It in ContextThis word appears in 2 episodes:F1 Racing Cars Are Completely Different NoweasyRacing Cars ChangedbeginnerRelated Words安全safe; safety超过to pass; to overtake超越模式Overtake Mode翅膀wing动力power动力系统power system规则rules混合hybrid; mixed积分榜standings; points table