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
I do some work for Smith and Dale,Your company's accounting firm.
我为贵公司的会计顾问公司 Smith和Dale事务所里做一些工作。
I couldn't get through.
我打不通电话。
At one point, it seemed certain that their plane would crash.
在有个地方，飞机似乎肯定要坠毁了。