1
unseal sth
直接宾语为被开封的物品。
The inspector unsealed the container.
检查员打开了容器的封条。
开封；开启；拆封
unsealed — past of unseal
先理解核心含义，再看它在真实句子里的用法。
开封；开启；拆封
break the seal of
The inspector unsealed the container.
检查员打开了容器的封条。
拆开封条以打开(某物)
To break the seal of (something) in order to open it.
因封条被拆开而打开
To open by having a seal broken.
unseal
Base
原形
unseals
3rd person
第三人称单数
unsealing
-ing
现在分词
unsealed
Past
过去式
unsealed
Past participle
过去分词
I unseal the envelope.
我打开信封。
He unsealed the package.
他拆开了包裹。
She unsealed the envelope with a letter opener.
她用拆信刀拆开了信封。
Please unseal the yogurt container before you heat it.
加热前请先打开酸奶容器的封口。
The technician unseals the back cover to access the battery.
技术人员打开后盖的封条以取出电池。
直接宾语为被开封的物品。
The inspector unsealed the container.
检查员打开了容器的封条。
被动形式，强调动作承受者。
The document was unsealed by the court.
文件被法院启封了。
Not this
The jar unsealed.
Use this
The jar was unsealed.
unseal 是及物动词，不能直接作不及物动词表示‘被开封’。应使用被动语态或改为 Someone unsealed the jar。
Not this
He unsealed the notebook to write in it.
Use this
He opened the notebook to write in it.
unseal 特指开启原本被密封的东西（如信封、容器），笔记本通常没有密封，用 open 更合适。
Choose the next layer that will help you use unsealed with more confidence.
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Use unsealed naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.