billboards怎么读？

His smiling face appears on T-shirts, billboards, and posters.他的笑脸出现在T恤衫、公告牌和海报上面。Large billboards have disfigured the scenery.大型告示板已破坏了景色.Then, put the logo in magazines and on billboards without telling anyone what it ...

n.广告牌( billboard的名词复数 )...