《蒹葭》这首表现怀人惆怅心情的诗,是春秋时期情诗中的经典。而《乡愁》则是当代表现思乡之情诗歌中的典范。时空可以阻隔亲人、情人、友人,使他们被相思之痛苦苦纠缠,可是时空绝对阻断不了诗人用文字、用情感与他们对话。余光中就是这样一位超越时空应和着、传扬着先秦遗风的诗人。 The poem “Prelude” is a classic poem that expresses a feeling of poetry. It is a classic of poetry in the Spring and Autumn Period. The “Homesickness” is a model of contemporary expression of homesickness poetry. Time and space can block loved ones, lovers, and friends, causing them to be entangled with the pain of Acacia. However, time and space cannot absolutely block the poet from using words and talking to them with emotions. Yu Guangzhong is such a poet who transcends time and space, and celebrates the legacy of the Pre-Qin period.