Mason-Dixon line

英 [ˌmeɪsn'dɪksnlaɪn] 美 [ˌmeɪsn'dɪksnlaɪn]

• n. 梅逊-狄克逊分界线；美国宾夕法尼亚南面的界线；ph

英英释义

Noun:

1. the boundary between Maryland and Pennsylvania; symbolic dividing line between North and South before the American Civil War