Cement carbon
[建] 渗碳
🧩 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;
🗣️ 情景例句
We should thank you.
我们应当感谢你。
A true friend is known in the day of adversity.
疾风知劲草，患难知友情。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。