Poster child
n. 出现在海报上的儿童; 代表人物; 典型
🧩 词语组成解析
child
[tʃaɪld]
n. 小孩，孩子;幼稚的人;产物;弟子;
🗣️ 情景例句
You're a big boy.
你是个大孩子了。
What makes life dreary is the want of motive.
没有目的，人生就黯淡无光。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。