If you affix one thing to another, you stick it or attach it to the other thing.
例句
Complete the form and affix four tokens to its back...填完该表，在背面贴上4张凭券。I covered the scroll in sealing wax, and affixed a red ribbon.我用封蜡将卷轴封好，并系上一根红丝带。
N-COUNT
词缀
An affix is a letter or group of letters, for example 'un-' or '-y', which is added to either the beginning or the end of a word to form a different word with a different meaning. For example, 'un-' is added to 'kind' to form 'unkind'.