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安全套 | Forum

metro
metro Nov 2 '23
安全套是時下最普遍的避孕方法之一,其原理是利是套子收集射出的精液,來阻止牠們進入女性陰道。使用安全套除了有避孕作用外,亦能預防性病轉播及感染。安全套