先从present说起

present 作名词：礼物;现在

This book was a present from my brother. 这本书是哥哥赠送给我的.

I‘m sorry he’s out at present. 对不起，他现在出去了。

at present = now

the past, the present and the future 过去、现在和未来

present 作形容词：出席的;当下的

in the present situation 在当前的情况下

Thirty guests were present at the ceremony. 典礼上一共有30位宾客出席。

absent

present 作动词：呈现

注意重音的变化：pre’sent

He presented the information to his colleagues.他把这些信息呈现给了同事。

Falling interest rates present the firm with a new problem. 利息下降给公司带来了一个新的问题.

主要看“气质”

presence

a man of great presence 一个气质很好的人