poster child片語KK [ˋpostɚ tʃaɪld] /ˈpoʊstɚ tʃaɪld/發音片語1典型代表、象徵人物、代言人He became the poster child for corporate greed.他成了企業貪婪的典型代表。2典型、範例指事物This town is the poster child for successful urban renewal.這座小鎮是城市更新成功的典型。3海報兒童、募款代表兒童She was the poster child for a children's cancer charity.她曾是一個兒童癌症慈善機構的海報兒童。