chewing gum (= a sweet that you chew but do not swallow) that contains nicotine and is used by people who are trying to stop smoking

He has kept his cravings for cigarettes at bay by chewing nicotine gum. 他通过嚼尼古丁口香糖抑制了对香烟的渴望。

The Government has struck a deal with drugs firms to provide nicotine gum and patches free to smokers. 政府与制药公司达成协议，免费向吸烟者提供尼古丁口香糖和戒烟贴。