con.dom
n.(名词)A flexible sheath, usually made of thin rubber or latex, designed to cover the penis during sexual intercourse for contraceptive purposes or as a means of preventing sexually transmitted diseases.避孕套:一种有弹性的套,通常用薄橡皮或橡胶制成,套在阴茎上防止怀孕或性病的传染
来源:[Origin unknown] [起源不明]