If you want to be more precise and say their actual height, in centimetres, or feet and inches, you can say, " around" .

如果你想更为准确地表述实际高度，即用厘米、英尺和英寸来表述，你可以使用" 大约" 这个词。

There had been debate over the actual height of the peak and concern that it might have shrunk after a major earthquake in 2015.

针对珠峰的实际高度一直争议不断，人们也担心高度会在2015年大地震之后下降。