L3Wiktionary 原文英美L31词源 1释义名词noun1(astrophysics) Abbreviation of Lagrange point 3, located 180 degrees away from the smaller object and slightly outside the smaller object's orbit around the larger object.同族词相关词 5Lagrange point·L1·L2·L4·L5L32词源 2词源说明From Level 3.释义名词noun1(computing) Short for third level in various contexts