Case-hardening steel
[机] 表面硬化钢
🧩 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
n. 硬化, 淬火\\n[计] 硬化, 固化, 淬火
steel
[stil]
n. 钢，钢铁;钢制品;兵器;钢铁工业;
vt. 包上或镀上钢;使坚定;
adj. 钢制的;钢铁业的;坚强的;[色彩]青灰色的;
🗣️ 情景例句
Where shall I put my signature?
我签在哪儿呀？
We used to have a lot of fun when we were that age.
当我们是变老时，我们过去常有很多趣事。
If you were to ask Harry what was in the bottle, he would tell you that it contained perfumed mud.
要是你问哈里瓶里装着什么，他会告诉你是香水泥。