Case harden
[建] 表面硬化
🧩 词语组成解析
case
[kes]
n. （实）例，事例;情况，状况;诉讼（事件），案件，判例;容器（箱，盒）;
vt. 把…装入箱（或盒等）内;加盖于;包围，围住;[俚语]（尤指盗窃前）探察，侦查，窥测;
cas(to fall)+e→事件；事情；场合；状态；诉讼事件；患者
🗣️ 情景例句
But I figure that with my grades and with my personality,
但我想 ，凭我的成绩和我的品行，
May I have him call you back?
要我请他回你电话吗？
In the letter he was asked to call at the station.
要他到警察局去一趟。