She was of below average height, petite and slender.

她低于平均身高，娇小且苗条。

《柯林斯英汉双解大词典》

A global study looked at the average height of 18-year-olds in 200 countries between 1914 and 2014.

一项全球研究调查了1914年至2014年间200个国家的18岁青年的平均身高。

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Latvian women, meanwhile, rose from 28th place in 1914 to become the tallest in the world a century later, with an average height of 169.

与此同时，一个世纪后，拉脱维亚妇女的身高从1914年的第28位上升到世界最高，平均身高为169。

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Burros reach an average height of over a meter.

VOA: special.2010.02.16

It reminds me of a joke about the statistician who drowned in a pool with an average height of 10 inches.

这让我想起一个统计学笑话,在一个平均水深为10英寸的游泳池里，谁会被淹死。

哈佛公开课 - 幸福课课程节选

This would be an average adult male, 30 years old, the average height and weight, and surface area and temperature, and lots of characteristics of an average person.

包括普通成年男性,三十岁,平均身高和体重,平均表面积和体温,还有许多其他数据

耶鲁公开课 - 生物医学工程探索课程节选

Mean sea level: average height of the sea surface over a 19-year period.

UNESCO: L O S S A R Y

Sure, there are some perks with an above-average height but there are challenges as well.

WSJ: At Tall Club, Members' Careers Get an Extra Lift

After the introduction of agriculture the average height in Europe dropped by four inches.

ECONOMIST: Fundamental questions