std基本解释
abbr.标准(=standard)
abbr.性传染病(=sexually transmitted disease)
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基本词汇
abbr.标准(=standard)abbr.性传染病(=sexually transmitted disease)
abbr.标准(=standard)
abbr.性传染病(=sexually transmitted disease)
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"STD is from the Latin Sanctae Theologiae Doctor"