Complex sentence: On the other hand, in China elevated light metros are called 轻轨 which when literally translated means "light railway" when they are really grade separated intermediate capacity systems, examples are Shanghai Metro lines 5 and 6.
Split into simpler sentences: On the other hand, in China, elevated light metros are called 轻轨 which when literally translated means "light railway". Commonly mistranslated as light rail when they are really grade separated intermediate capacity systems, examples are Shanghai Metro lines 5 and 6.