英语释义
1. something that enables one to pass or gain admission: such as
2. a spoken word or phrase required to pass by a guard
3. a sequence of characters required for access to a computer system
4. watchword
5. a secret word or phrase that a person must know before being given permission to enter a place
6. a secret series of numbers or letters that allows you to use a computer system
7. a secret word, phrase, or group of numbers that a person must know to be allowed to enter a place or use a computer system