10 sorry, the book you are looking for has been checked out.
抱歉，你在找的那本书已经被别人借走了。
词组释义 check out 借出，结账离开，检验
11 please place your bag at the bag depository.
请把包放在存包处。
单词释义 depository [d?'p?z?t(?)r?] n. 存放处，仓库
12 how long may i keep a book?
一本书我可以借多久？
注意事项
此句用于读者咨询借阅期限，how long 在这里用于提问时间的长短，意为“多长时间，多久”，主要对时间段进行提问。答语一般是（for）...days / weeks / months 等时间段。
13 you must return the books within a month.
你必须在一个月内归还书。
类似表达 you must check in them within a month.
14 i promise i would check in it by the due date.
我保证会按时归还。
类似表达
i promise to return it on time. / i promise i would return it on time. / promise i would return it on time.
15 i wonder if i can renew the book.
我可以续借这本书吗？
类似表达 may i renew the book? / can i renew the book?
16 you can keep these books for one month. the due date is may 15th.
这些书借期为一个月，还书日期截止到五月十五日。
词组释义 due date到期日，截止日期
17 your books are overdue for one week.
你的书已经过期一周了。
单词释义 overdue [???v??dju:] adj. 过期的，逾期的，延误的
18 the deposit will be returned to you fully when you cancel the library card.
当你退卡时，押金将全额返还。
类似表达
when you return the library card, we will give you the deposit money.
19 the multimedia room is located on the third floor.
多媒体室在三楼。
单词释义
multimedia [?m?lt?'mi:d??] adj. 多媒体的 n. 多媒体，网络多媒体，多媒体技术
note
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