拉丁国际语

[ noun ]
an artificial language proposed for use as an auxiliary international language; based on words common to English and the Romance languages
<noun.communication>

interlingua \in`ter*lin"gua\, n.
A language used as an intermediate language in translating
from a source language to a target language; -- used
especially in machine translation by computers; as, some
machine translation systems use Esperanto as an interlingua.
[PJC]