diary的复数形式是变y为i再加es，即diaries。diary作为名词，是可数名词，中文含义有“工作日程记事簿”、“日记”、“日志”、“日记簿”、“记事簿”。
diary的基本含义及双语例句
diary作为可数名词，意为(工作日程)记事簿;日记;日记簿。例句有：
1、I'll make a note of our next meeting in my diary.
我将把下次会议的事记在我的记事簿上。
2、Do you keep a diary?
你经常记日记吗？
3、One day he chanced upon Emma's diary and began reading it.
有一天他偶然发现了埃玛的日记，便开始读了起来。
4、Friday at 11? I'll put it in my diary.
星期五11点？我要把它记在记事本里。
5、It was later discovered that the diaries were a fraud.
后来查明这些日记是伪造的。
6、The events were faithfully recorded in her diary.
这些事件在她的日记中如实地记录了下来。
7、His excuse for forgetting her birthday was that he had lost his diary.
他辩解说因为日记本丢了才忘了她的生日。
8、He prefaced the diaries with a short account of how they were discovered.
他在前言中简要叙述了日记发现的经过。
9、Tell her I've got a window in my diary later on this week.
告诉她我这周晚些时候有空儿。
10、Is reading a child's diary always a gross invasion of privacy?
偷看孩子的日记一定是对个人隐私的严重侵犯吗？
11、If you can't remember your number, write it in code in a diary.
如果记不住自己的号码，可以用代码记在日记簿里。
12、There was no immediate prospect of the diaries getting into print.
这些日记近期不会发表。
