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
Have a safe trip!
一路平安。
Missing school to watch the football match is out of the question.
为看足球赛而旷课，那可不行。
It's next to the factory.
书店就在工厂隔壁。