サムラワールド辞書
(1)
略語, 名詞
A common abbreviation for sexually transmitted disease. Sexually transmitted diseases (STDs) — or sexually transmitted infections (STIs) — are generally acquired by sexual contact. HIV, chlamydia, genital herpes, genital warts, gonorrhea, some forms of hepatitis, syphilis, and trichomoniasis are STDs.
例
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STDs were rampant in our dorm at the university. Fortunately I was able to avoid them with abstinence.