| 释义 |
Mason-Dixon Line/meis(ə)nˈdiks(ə)n/n. (in the US) the boundary between Maryland and Pennsylvania, taken as the northern limit of the slave-owning states before the abolition of slavery (美国)梅森-狄克森线(在马里兰州与宾夕法尼亚州之间,废除黑奴制前为美国南部和北部的标志) [named after C. Mason & J. Dixon, 18th-c. English astronomers, who surveyed it] |