mon·u·ment·al/ˏmɑnjə`mɛntḷ; ˌmɒnjˈmentl◄/ adj 1 extremely large, bad, impressive etc 极大的; 极坏的; 使人印象深刻的: Jeffries has admitted he made a monumental mistake. 杰弗里斯承认自己犯了大错。 2 a monumental achievement, piece of work etc is very important and influences people in the future 〔成就、作品等〕很重要的; 影响后世的: Darwin's monumental work on evolution 达尔文有关进化的重要著作