Schopper hardness
[化] 朔佩尔氏硬度
🧩 词语组成解析
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
This is a tough job.
这是一件困难的工作。
The walls are three inches thick.
这墙3英寸厚。
The village which had seemed deserted, immediately came to life.Faces appeared at windows.
刚才还似乎空荡荡的村庄一下子活跃了起来，窗口露出了一张张面孔，