Poster相关的词根或词缀是: post-

The poster was a claim for power and attention .

力量和关注是这些海报表达的诉求。

I have an idea for our poster .

我有个关于海报的想法。

But a third poster shows the task ahead .

但第三张海报反映了仍有任务尚未完成。

Asks an election poster depicting a charred vehicle .

一张描述了一辆烧焦汽车的竞选海报这样问道。

The 26 pop-ups on the poster are a nice bonus .

海报上的26个弹出的卡片是额外附送的。