oral sex

常见例句

• Oral sex can give either type the chance to infect the usual site of the other.
  口交会使这两种类型有机会感染他人常用的部位。
• Researchers stress that the risk of acquiring HIV through oral sex is far too low to warrant preventive tonsillectomies.
  研究员强调，通过口交感染艾滋病毒的风险太低，因此预防性的扁桃体切除术并无必要。
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