| 单词 | STD |
| 释义 | STDIllness & disability STD /ˌes tiː ˈdiː/ noun [countableC, uncountableU] medical MI (sexually transmitted disease) a disease that one person passes to another through having sex, such as AIDS or herpes 性传播疾病〔如艾滋病、疱疹〕 From Longman Business Dictionary STDSTD noun [uncountableU] 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 name std.std. written abbreviation for standard |
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