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
Thank you.
谢谢你 。
Would you like to go for a walk?
你想去散步吗？
That's good. I think I'll sow my carrot seed tomorrow.
好呀，我想明天播胡萝卜种。