大嘴Yuki
feral 双语例句近日，一只经常在北京大学"蹭课"的猫走红网络，被网友誉为"学术校猫"。A feral cat who has roamed Peking University since 2004 recently propelled to fame on the Internet as the "Academic University Cat".
酒窝喵喵兔
just use: I was studying there as an external student. or it could be a so-called "guest student"
