One is that during the Second Empire, which was that regime of Napoleon III that lasted from 1852 to till he was really rounded up by the Prussians in 1870.

一个是法国当时正处于法兰西第二帝国时期,在拿破仑三世的统治之下,这段时期始于一八五二年,直到一八七零年他被普鲁士军队所俘虏

耶鲁公开课 - 1871年后的法国课程节选

Long classes from, in the morning till at night.

从早上到晚上，一直都在上课。

学习外语的原因 - SpeakingMax英语口语达人