unseen

1. ADJ If you describe something as unseen, you mean that it has not been seen for a long time. 久未見(jiàn)過(guò)的

...a spectacular ballroom, unseen by the public for over 30 years. …公眾三十多年未見(jiàn)過(guò)的一個(gè)豪華舞廳。

2. ADJ You can use unseen to describe things which people cannot see. 看不見(jiàn)的[ADJ n, ADJ after v]

For me, a performance is in front of a microphone, over the radio, to an unseen audience. 對(duì)我來(lái)說(shuō),表演就是在麥克風(fēng)前，通過(guò)無(wú)線電，傳播給看不見(jiàn)的聽(tīng)眾。