Definition

Examples

• 性交行为在大多数文化中都被视为私密话题。
  xìng jiāo xíngwéi zài dà duōshù wénhuà zhōng dōu bèi shì wéi sīmì huàtí.
  Sexual intercourse is considered a private topic in most cultures.
• 医学上认为安全的性交需要采取保护措施。
  Yīxué shàng rènwéi ānquán de xìng jiāo xūyào cǎiqǔ bǎohù cuòshī.
  Medically safe sexual intercourse requires taking protective measures.
• 他们从未发生过性交关系。
  Tāmen cóngwèi fāshēng guò xìng jiāo guānxì.
  They have never had a sexual relationship.