hardnesses (hardness 的复数) n. 坚硬, 困难, 严厉, 勇气 [化] 硬度 释义与例句 n. 1. plural of hardness 相关短语 Vickers hardnesses water hardnesses total hardnesses Knoop hardnesses water hardness Vickers hardness [化] 维氏硬度 total hardness [化] 总硬度 [医] 总硬度 Knoop hardness