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
Pete isn't home.
Pete不在家。
Proverbs are short sentences drawn from long experience.
谚语言短简，得自老经验。
I haven't forgotten anything, she said to herself. But then it was time to pay for them.
“我什么也没忘记，”她自言自语地说。但接着该是她付钱的时候了。