单词	master key
释义	English American master keynoun [ C ] uk/ˈmɑː.stə ˌkiː/us/ˈmæs.tɚ ˌkiː/ a key that can be used to open any of several different locks Thesaurus: synonyms and related words Building: locks & locksmithing bolt catch combination deadbolt deadlock fastener fastening hasp key key ring keycard keyhole latch lock locksmith mortise lock padlock pass key skeleton key Yale lock master keynoun [ C ] us/ˈmæs·tər ˈki/ a key that can be used to open a number of different locks
随便看	send sth out send sth under plain/separate cover send up send word send your regrets send-off send-up send/give out (all) the wrong signals send/give out all the wrong signals send/give out the wrong signals sender sending off Senegal Senegalese senescence senescent senile senile dementia senility senior senior senior bondholder senior citizen senior citizen senior creditor