In Alsace almost everybody, as you will see later, spoke German dialect. But it didn't mean, if you asked somebody, "Are you French?"

在阿尔萨斯基本上每个人,你以后就知道,说一种德语方言,但也不是说,你要问别人,"你是法国人吗"

耶鲁公开课 - 1871年后的法国课程节选

Now, Alsatians were French, even though many of them spoke German dialect.

阿尔萨斯人是法国人,虽然他们很多人说德国方言

耶鲁公开课 - 1871年后的法国课程节选