Gradient hardness
[机] 分级硬度
🧩 词语组成解析
gradient
['ɡredɪənt]
n. [物]梯度，陡度;（温度、气压等）变化率，梯度变化曲线;<英>（道路的）倾斜度，坡度;
adj. 倾斜的;[动]步行的，能步行的;
grad步，级+i+ent形容词后缀 → 步行的；坡度
hardness
['hɑrdnɪs]
n. 坚硬;<物>硬性;困难;冷酷;
🗣️ 情景例句
He ofter overdrafts his account.
他的账户经常透支。
If I have time tomorrow,I think I'll get a haircut.
如果我明天有时间，我认为我应该理发。
Suddenly, there was a slight trembling sound from below, and the captain went down to see what had happened.
突然，从船舱下部传来一声微颤音，船长走下船舱去查看究竟。