下载万能钥匙wifi自动解锁 万能钥匙：key一词该怎么样

万能钥匙：key一词该怎么样  

一、你知道key有几种含义吗？,adj.,最重要的；关键的,He is expected to be the key witness at the trial.,他将成为审判的关键证人。,n.,1.钥匙 [C],Leave him this key before you go.,你走之前把这把钥匙交给他。,2.图例，题解 [C],This book is the key for use of students only.,这本书是专供学生用的题解。,3.（解决问题的）线索，祕诀，答案 [C],The detective believes the missing gun is the key to the mystery.,那侦探认为那把丢失的枪是侦破这宗疑案的线索。,4.（钢琴，打字机等的）按键 [C],As long as no key is pressed, the scanning goes around in a circular manner.,只要没有按下键，扫描就循环地进行。,5.【音】调 [C],The song is written in the key of D.,这首歌是用D调谱写的。,v.,1.【音】为…调音 [T],The musicians keyed their instruments just before the concert began.,乐师们在音乐会快开始前为乐器调了音。,2.用键盘输入（信息等）(+in/into) [T],The data-entry clerk who fails to key in something as important as an invoice amount creates a real problem.,如果数据录入人员错误地输入发票内容，或者是数量，这就是很严重的问题。,二、下面我们来学习一下含有key的常见短语,mand key,n.[计]命令键,key ring,n. 钥匙圈,key word,n.[计]关键字,保留字,master key,n. 万能钥匙,三，你掌握key的用法了吗？一起来做个小测试吧！
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