副词

1. （几项中）最后一点
You use lastly when you want to make a final point, ask a final question, or mention a final item that is connected with the other ones you have already asked or mentioned.

2. （一系列动作或事件中）最后
You use lastly when you are saying what happens after everything else in a series of actions or events.

1. the item at the end

e.g. last, I'll discuss family values

Synonym: lastin conclusionfinally