common的音标是 ˈkɒmən，美式发音为 ˈkɑːmən。common作为形容词时，主要意思是“常见的”、“普遍的”、“共有的”。作为名词时，表示“公共用地”或“公用草地”。

短语搭配：
in common 共同点
common sense 常识
common ground 共同立场
common knowledge 常识
common practice 惯例
common interest 共同利益
common people 平民
common cold 感冒

英文例句带中文翻译：
1 This bird is common in many parts of the world 这种鸟在世界许多地方都很常见
2 We have a lot in common despite our different backgrounds 尽管背景不同我们有很多共同点
3 It is common knowledge that smoking is harmful to health 吸烟有害健康是常识
4 They found common ground during the negotiation 他们在谈判中找到了共同立场
5 Using smartphones in public is now a common practice 在公共场合使用智能手机现在是普遍做法
6 The two countries share common interests in trade 两国在贸易方面有共同利益
7 The common people suffered most during the war 战争期间平民受苦最深
8 She caught a common cold last week 她上周得了感冒
9 This problem is common among teenagers 这个问题在青少年中很普遍
10 The park is common land for everyone to use 这个公园是供大家使用的公共用地