He was only five feet nine, the minimum height for a policeman.

他只有5.9英尺高，这是警察身高要求的底线。

《柯林斯英汉双解大词典》

Low tide: The minimum height reached in a falling tide.

退潮：潮水退至最低时的高度。

youdao

Children should reach a minimum height of 82 cm by the age 2.

2岁儿童最低身高应达到82厘米。

youdao

They have not flown beneath minimum height restrictions and have not been illegally viewing game.

BBC: NEWS | Africa | UK troops 'scare Kenyan wildlife'

Because many rides have minimum height restrictions, make sure they understand which ones will be off-limits to them.

CNN: A theme park survival guide

When I first spotted the video on Gawker, I remarked that TSA patdowns should be like rides at the fair, with a minimum height requirement of four feet tall.

FORBES: TSA Reconsiders Invasive Patdowns of Children