billboard
🇺🇸
/ˈbɪlbɔːrd/
🇬🇧
/ˈbɪlbɔːd/
A large sign or structure used for advertising, often found on buildings or along roads.
The company's new ad campaign included a prominent billboard on the highway.
公司的新广告活动包括在高速公路上设置一个显眼的广告牌。