To perform a monumental service; to accomplish a great, world-saving feat; to make an immense and foundational contribution.
他在偏远地区义务支教多年，为孩子们铺就了知识的道路，其功绩可谓补天柱地。
He volunteered as a teacher in a remote area for many years, paving the way for children's knowledge, and his meritorious deeds can be described as monumental.
Era:
Ancient
Frequency:
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