性行为 | [性 行 为 / 性 行 為] sexual behavior #17,711 [Add to Longdo] |
性行為 | [せいこうい, seikoui] (n) sex act; intercourse #16,936 [Add to Longdo] |
性行為感染症 | [せいこういかんせんしょう, seikouikansenshou] (n) sexually transmitted disease [Add to Longdo] |
Syphilis is an infection that can be transmitted through sexual intercourse. | 梅毒は性行為を通じて感染する病気です。 |