1. The Lutetian period refers to the geological age that occurred approximately 47.8 to 41.3 million years ago.
（卢登时期指的是大约4700万年前至4130万年前发生的地质年代。）

2. He is a proud Londoner, as he was born and raised in the Lutetian borough.
（他是个骄傲的伦敦人，因为他出生并在卢登的区长大。）

3. The Lutetian architecture of the city is characterized by its distinct blend of modern and traditional styles.
（这座城市的卢登建筑以其独特的现代和传统风格的融合而闻名。）