rest on someone/something
phrasal verb with rest verb uk/rest/ us/rest/
（目光在环顾四周后）落在…上;注目于，凝视
If your eyes rest on something or someone when you are looking around an area, you start looking only at that particular object or person.
Her eyes rested on a small wooden box at the back of the shop. 她的目光落在商店最里面的一个小木盒子上。