形容词
中文翻译：Unknown
同义词：
['closed', 'sealed', 'shut', 'locked例句：1. The gate was closed for security reasons.（出于安全原因，大门是关闭的。）']
例句：
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1. The gate was closed for security reasons.
出于安全原因，大门是关闭的。
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2. The ship was sealed off from the outside world.
这艘船被封锁了，与外界隔绝。
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3. The room was locked and we couldn't get in.
房间被锁上了，我们进不去。