Differential hardening
[机] 局部硬化
🧩 词语组成解析
differential
['dɪfə'rɛnʃəl]
adj. 差别的;特意的;[数]微分的;[机，物]差动的;
n. [数]微分;差别;工资级差;[机]差动器;
di, dif, divid 表示”分开”;”取消”,”否定”;”不同”
n. 硬化, 淬火\\n[计] 硬化, 固化, 淬火
🗣️ 情景例句
He really likes to play the field.
他不喜欢做出承诺。
He informed them that his mother had died.
他通知他们的母亲死了。
It's nothing serious. I think you've been very fortunate. Have you ever used the hot-cloth-and-frozen-peas treatment?
不要紧。我认为你非常幸运了。你用过热布---冻豌豆疗法吗？