公众被阻止进入大楼。

Members of the public were prevented from entering the building.

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Members of the public were prevented from entering the building.

prevented 是动词 prevent 的过去分词形式,在句中表示被动。prevent 的意思是"阻止、防止",由前缀 pre-(表示"在...之前")和动词 vent(来自拉丁语 venire,意为"来")组成,字面意思是"在到来之前就采取措施",即"阻止某事发生"。 prevented from 表示"被阻止做某事"。

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