refer变名词形式
名词形式为reference,例如:
1、The library contains many popular works of reference.这家图书馆藏有许多常用的参考书。
2、There is a list of references at the end of each chapter.每一章的后面都有一组参考书目。
3、Keep the list of numbers near the phone for easy reference.把电话号码表放在电话旁边,方便查找。