Fischer提出钥匙—锁模型（lock-key），认为底物和酶分子的关系，就像钥匙和锁相配一样，一把锁只能被一把钥匙打开，或是被在构象上相近的钥匙打开。
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scroll lock key 停止卷动键 ; 滚动锁定键 ; 中断卷动键
Lock&Key 中山乐其
shift lock key 字母变换锁定键 ; 移位锁定键
Num Lock key 数字锁定键
Double Lock Key 反锁钥匙
Caps lock key 大写锁定键 ; 锁定键
lock & key 唱片名
assign to lock key 分配给锁的钥匙
steering head lock key 转向头钥匙
·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
She turned the key in the lock.
她转动锁眼里的钥匙。
《牛津词典》
She rammed the key into the lock.
她将钥匙塞进锁眼。
She got the key stuck in the lock.
她把钥匙卡在锁里了。
If I could get used to navigating via the numeric keypad with the num-lock key off, I'd be perfectly happy with the new keyboard.
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The entrance uses a number pad instead of a lock-and-key system.
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She phoned twice from New York to make sure we were taking care of her house, and twice to complain about my place -- she couldn't turn the key in the lock, and the radiator was rattling too much.
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