[] () Expoa large international event at which representatives from different countries show the products, machinery, buildings, etc. that their countries are producing, building, etc.（国际性）博览会◆Shanghai hosted the 2010 World Expo.上海主办了 2010 年世界博览会。 () a public event at which one company or many different companies producing related products show and sell their new products and services展览会◆a toy industry expo玩具业展览会◆the expo hall展厅SYNtrade show ⓘ The word expo is a short form of exposition.expo 是 exposition 一词的缩写。