adj.未开启的，未打开的

The package arrived this morning, still unopened.
这个包裹今天早上才到，还没拆封。
She found an unopened letter on her desk.
她在桌上发现了一封未开封的信。
The unopened bottle of wine was saved for a special occasion.
未开封的那瓶酒留待特别的日子再喝。
I have an unopened can of paint in the garage.
我在车库里有一罐未开封的油漆。
The unopened book sat on the shelf gathering dust.
那本未开封的书放在书架上积满了灰尘。
He gave me an unopened box of chocolates for my birthday.
他给了我一盒未开封的巧克力作为生日礼物。
The unopened envelope was marked "Return to Sender.
未开封的信封上写着“退给寄件人”。
We have an unopened gift from last Christmas that we need to return.
我们有一份去年圣诞节未开封的礼物需要退回去。
The unopened file contained confidential information.
未开封的文件夹里包含着机密信息。
She left the unopened check on the table and walked out.
她把未开封的支票留在桌子上就走了。