罗伯特·洛厄尔是二十世纪美国诗歌史上的重要诗人 ,他的诗歌创作经历了前后两个不同的时期 ,其后期诗作一改往昔风格 ,在诗歌中采用非学院派开放性诗体重新表现自我,批判社会现实。他身上的这种变化在一定程度上体现了美国战后诗歌的发展方向 Robert Lowell is an important poet in the history of American poetry in the 20th century. His poetry writing has gone through two different periods before and after. His later poems have changed from one style to another, and his poems are re-expressed by non-academic open verse Self, critical social reality. To some extent, this change in him reflects the direction of the development of postwar American poetry