英语句子成分分析Acrossthecountry,millionsofpeoplefromallwalksoflifesmearandcoverthemselvesfromheadtotoeinbrightpaintsandpowdersasiscustomforHoli.这里的asiscustomforHoli作什么成分?as怎么理解?

Question

英语句子成分分析
Across the country,millions of people from all walks of life smear and cover themselves from head to toe in bright paints and powders as is custom for Holi.
这里的as is custom for Holi作什么成分?as怎么理解?

Answer 1

as is custom for holi在句中作定语,as指代前面整个句子,前面整句是先行词,as在从句里做主语.as前应该有一逗号.
Across the country,millions of people from all walks of life smear and cover themselves from head to toe in bright paints and powders,as is custom for Holi.