polyglottery
n. (多种语言的)通晓
例句
Still, the polyglottery can be a bit of a strain, especially when it comes to tongues like Irish, which only a few Irish citizens use frequently outside the education system.
不过,使用多种语言可能是一种负担,尤其是涉及爱尔兰语等语言——只有少量爱尔兰公民在教育体系之外经常使用爱尔兰语。