用erectness造句子，“erectness”造句

In general, the purely mechanical effects of the pubescence depend on four main characteristics of the trichomes: density, erectness, length, and shape.

She had an erectness of carriage, an ease of bearing, a poise that clearly indicated the best of breeding.

You would notice that they are eager toward life, there is a certain sparkle in their eye, an erectness to their carriage.