Plural noun: examinations or translation passages not previously seen.

• Especially in language and classical-language exams.

复数名词：考试中事先未见过的篇章或翻译材料。

• 多用于语言与古典语考试。

Plural of unseen: things not seen or perceived.

• Unobserved or previously unnoticed items or events.

unseen 的复数：未被看见或感知的事物。

• 之前未被注意到的物品或事件。