has been
US /hæz bɪn/
UK /hæz bɪn/
助动词
已经, 一直
used to form the present perfect tense, indicating an action or state that began in the past and continues to the present, or has an effect on the present
示例:
•
She has been working on this project for months.
她已经在这个项目上工作了好几个月了。
•
It has been a long time since we last met.
我们上次见面已经是很久以前的事了。