reference/ˈref(ə)rəns/
n.1. (与to连用)提及;涉及to make references to the heroic deeds提到英雄事迹
2. 参考;查询reference book参考书,工具书
Keep this dictionary for reference.这本词典留着查阅用。
3. 证明;鉴定When I was looking for a job, I asked my head teacher to give me a reference.当我在找工作时,我向我的班主任要一份关于我情况的证明。