literary terms：

Graveyard school of poetry: A group of 18^th century English poet who emphasized subjectivity, mystery, and melancholy. Death, mortality(immortality)and gloom were frequent subjects or elements of their meditative poems, which ere set in graveyards.( Gray’s “Elegy Written in a Country Churchyards”)

Elegy: In Greek and Roman times, the term elegy was used to refer to any poem composed in elegiac meter. Since the 17th century, elegy has typically been used to refer to reflective poems that lament the loss of something or someone, or loss or death more generally, although in Elizabethan times it was also used to refer to certain love poems. Elegies written in English frequently take the form of the pastoral elegy.

         Sentimentalism:  it was one of the important trends in English literature of the later decades of the 18^th century. It concentrated on the free expression of thoughts and emotions, and presented a new view of human nature which prized feeling over thinking, passion over reason.