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
We have a baby now.
我们现在有一个小宝宝了。
I ought to do it again.
我应该再做一次。
It's up to you.
由你决定。