释义
abbr. (advertisement的缩写)广告 n. (缩)广告
例句
1. I got four replies to my ad about the bicycle for sale. 已经收到了四份对我出售自行车广告的回信。 2. Fished all day without a bite; an ad that got a few bites but no final sales. 一整天没半条鱼上钩；这则广告吸引了一些人上钩，但最后还是没有卖出东西