Cement copper
[化] 渗碳铜
🧩 词语组成解析
cement
[si'ment]
n. 水泥;胶合剂;胶接剂;粘固粉;
vt. 粘牢;巩固;（用水泥、胶等）粘结;在…上抹水泥;
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
🗣️ 情景例句
I can't believe this is really happening!
我不敢相信这一切真的发生了
I ran all the way to school, otherwise I'd have been late.
我一路跑到学校，不然就迟到了。
I've never heard of that, Sir. Will the men enjoy eating it, Sir?
我还从来没听说过这样的事儿，先生。水手们会爱吃吗，先生？