adj.未看見的；即席的

I think some unseen bond unite us. 我認(rèn)為某種看不見的紐帶聯(lián)結(jié)著我們。

If they hit any unseen obstacle they would be pitched headlong into the snow. 如果撞上任何沒看見的障礙，他們就會被一頭拋進(jìn)雪里。

The exam consists of an essay and an unseen translation. 考試包括一篇作文和一篇即席翻譯。