◎镇守zhènshǒu
[guard (a strategically important place)] 驻军防守
镇守边关
镇守是汉语词汇，拼音zhèn shǒu，出自《后汉书·伏湛传》。
◎坐镇zuòzhèn
[(of a commander) personally attend to garrison duty; assume personal command] 驻于一地,亲临督促工作
坐镇边关
坐镇的“镇”为动词，本义为镇…