Three sets of keys
钥匙───key;三串───Three strings
Inserting the key in the lock, he turned it and pulled the door open.───他把钥匙插进锁里转了一下,拉开了门.
A key is the part of a pianoforte that you touch to make music.───琴键是钢琴上用手指敲击的部件,它能使钢琴发出乐音.
There's no safety for anyone until he is under lock and key.───他不坐牢,人无宁日.
To make doubly sure they would not be disturbed she turned the key in the lock.───她用钥匙开门,进一步确保不会打扰他们.
He unlocked her door and handed her back the key.───他给她打开门锁,并把钥匙交还给她。
You never left the key in the lock!───你总不会把钥匙留在锁上吧!
Key burbled about the wonderful people who contribute to tourism.───基喋喋不休地谈论着那些对旅游业作出贡献的了不起的人物。
Please press enter key when you see the main menu on the screen.───屏幕上出现主菜单时请按回车键.