繁重 | fán zhòng | heavy / burdensome / heavy-duty / arduous / onerous | |
浩繁 | hào fán | vast / voluminous / many and varied / numerous / extensive amount of / exhaustive / heavy (expenditure) / arduous / strenuous / exhausting / draining / burdensome | |
环境负荷 | huán jìng fù hé | environmentally burdensome |