condom 保險套--noun [C]

(UK ALSO sheath, US SLANG ALSO rubber)

a thin rubber covering that a man can wear on his penis during sex to stop a woman becoming pregnant or to protect him or his partner against infectious diseases

--wear on one’s penis 戴在陰莖上
--during sex 性行為時
--becoming pregnant 懷孕
-- to protest 人 against ...以便於防止
--infectious diseases 傳染病

請另參考”學校沒有教--一封法文信”