STD

From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disabilitySTDSTD /ˌes tiː ˈdiː/ noun [countable, uncountable] medical MI (sexually transmitted disease) a disease that one person passes to another through having sex, such as AIDS or herpesFrom Longman Business DictionarySTDSTD noun [uncountable] subscriber trunk dialling; in Britain, the name for the former telephone system that allowed people to connect their own long-distance calls by using an STD code (=a special number for the area you are calling). Officially, STD codes are now called area codes although many people still use the old namestd.std. written abbreviation for standard

单词	STD
释义	STD From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disabilitySTDSTD /ˌes tiː ˈdiː/ noun [countable, uncountable] medical MI (sexually transmitted disease) a disease that one person passes to another through having sex, such as AIDS or herpesFrom Longman Business DictionarySTDSTD noun [uncountable] subscriber trunk dialling; in Britain, the name for the former telephone system that allowed people to connect their own long-distance calls by using an STD code (=a special number for the area you are calling). Officially, STD codes are now called area codes although many people still use the old namestd.std. written abbreviation for standard
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