单语范例（未经PONS编辑处理）
英语
- The induced fit model is a development of the lock-and-key model and assumes that an active site is flexible and it changes shape until the substrate is completely bound.en.wikipedia.org
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英语
- lochia
- loci
- lock
- lockable
- lock a budget
- lock-and-key model
- lock-and-key principle
- lock-and-key theory
- lock away
- lock box
- lockdown