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The character 封 combines the earth radical 土 on the left with the hand radical 寸 on the right, historically including a plant element. Its etymology depicts planting trees on an earthen mound to demarcate territory borders. This practice of establishing boundaries for granted estates led to the meaning of bestowing titles or fiefdoms by a ruler. The idea of enclosing an area with a border later developed into modern senses like sealing an envelope, closing off a space, or blocking access.
Etymology Hide
Example Sentences Hide
我收到一封信。
他把信封好了。
这个瓶子是密封的。
学校因为疫情封闭了。
封建制度在古代很普遍。
政府决定封锁那个区域。
这封邮件非常重要，请及时回复。
由于技术问题，网络端口被临时封闭。