word key

例句：

1. 1. The word key is usedto unlock the door.
   用单词键来解锁门。
2. 2. She typed her name on theword key.
   她在键盘上输入了她的姓名。
3. 3. Theteacher showed us how to use the wordkey on the computer.
   老师向我们展示了如何使用电脑的单词键。