自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
ADV 或许；也许 You use possibly to indicate that you are not sure whether something is true or might happen.
Exercise will not only lower blood pressure but possibly protect against heart attacks...
They were smartly but casually dressed; possibly students...
ADV （表示对所见或所闻感到惊讶、困惑或震惊） You use possibly to emphasize that you are surprised, puzzled, or shocked by something that you have seen or heard.
It was the most unexpected piece of news one could possibly imagine...
I mean, how could they possibly eat that stuff?...
ADV 尽量；尽可能地 You use possibly to emphasize that someone has tried their hardest to do something, or has done it as well as they can.
They've done everything they can possibly think of...
It's one of the nicest feelings you can possibly have.
ADV （加强语气）无论如何也 You use possibly to emphasize that something definitely cannot happen or definitely cannot be done.
No I really can't possibly answer that!
There's nothing more they can possibly do right...