safe sex star1 (alsosafersex)

• 1.  

  N-UNCOUNT（不可数名词） Safe sex is sexual activity in which people protect themselves against the risk of AIDS and other diseases, usually by using condoms. (常指使用安全套的) 安全性交

  例：

  You must practise safe sex and know your partner well.

  你必须进行安全性交并充分了解你的性伴侣。