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
What are you doing tomorrow night?
明天晚上做什么？
Could you tell me some more about your market analysis?
请你多告诉我一些你们的市场分析好吗？
Here's my signature.
我签好了。