sexual intercourse 名詞
 性交,交媾


 In·ter·course n.
 1. A commingling; intimate connection or dealings between persons or nations, as in common affairs and civilities, in correspondence or trade; communication; commerce; especially, interchange of thought and feeling; association; communion.
 This sweet intercourse
 Of looks and smiles.   --Milton.
 Sexual intercourse, sexual or carnal connection; coition; copulation, especially between humans.
 Syn: -- Communication; connection; commerce; communion; fellowship; familiarity; acquaintance.

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 sexual intercourse
      n : the act of sexual procreation between a man and a woman; the
          man's penis is inserted into the woman's vagina and
          excited until orgasm and ejaculation occur [syn: intercourse,
           sex act, copulation, coitus, coition, {sexual
          congress, congress, sexual relation, relation, {carnal
          knowledge]