So, I was on my cell phone with Leah, who used to date Justin, who I saw in the library studying the anatomy of a certain friend of ours.

• 当时，我正用手机跟曾和贾斯汀约会的利亚通话的时候，我看见他（贾斯汀）在图书馆和我们的一个朋友在学习解剖学。