This is the 741st most frequent Chinese word.
镇
Town; to suppress; to calm.
As a noun referring to a small town or settlement.
这个镇历史悠久，充满文化气息。
This town has a long history and is full of cultural atmosphere.
Used as a verb implying suppression or control, such as calming emotions.
他努力镇定自己的情绪，不让别人看出他的紧张。
He tried hard to calm his emotions and not let others notice his tension.
Serves as a verb denoting suppression, such as damping or holding back vibrations.