单词	sexual intercourse
释义	sexual intercourse noun 1 : heterosexual intercourse involving penetration of the vagina by the penis : coitus 2 : intercourse (such as anal or oral intercourse) that does not involve penetration of the vagina by the penis Synonyms coition coitus commerce congress copulating copulation coupling intercourse lovemaking mating relations sex sex act sexual relations See all Synonyms & Antonyms Word History First Known Use 1753, in the meaning defined at sense 1 Medical Definition sexual intercourse noun 1 : heterosexual intercourse involving penetration of the vagina by the penis : coitus 2 : intercourse (as anal or oral intercourse) that does not involve penetration of the vagina by the penis sexual intercourse noun as in sex sexual union involving penetration of the vagina by the penis many people believe that it's best to wait to experience sexual intercourse until you're mature enough to handle it Synonyms & Similar Words Relevance sex intercourse relations mating sex act sexual relations making love sexuality copulation coitus coupling copulating commerce breeding getting it on coition lovemaking safe sex congress fornication insemination carnality dalliance whoopee hanky-panky
随便看	nucleocapsid nucleocapsids nucleocentrosome nucleocytoplasmic ratio nucleogenesis nucleogony nucleoid nucleoids nucleol- nucleolar nucleolate nucleolated nucleole nucleoles nucleoli nucleolini nucleolinus nucleolo- nucleolocentrosome nucleoloid nucleolus nucleolus organizer nucleolysis nucleome nucleometer

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