Hardnesses
(hardness 的复数) n. 坚硬, 困难, 严厉, 勇气\\n[化] 硬度
🗣️ 情景例句
The cloning of human organs is controversial.
人类器官克隆是极具争议性的。
Avarice blinds our eyes.
财迷心窍。
This continental slope usually starts at a place somewhere near the 100-fathom mark
一般是从差不多100英寻水深的地方开始的，