Cement steel
[机] 渗碳法制成钢
🧩 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;
steel
[stil]
n. 钢，钢铁;钢制品;兵器;钢铁工业;
vt. 包上或镀上钢;使坚定;
adj. 钢制的;钢铁业的;坚强的;[色彩]青灰色的;
🗣️ 情景例句
Be careful, I think the neighbors have been spying on us.
小心点，我觉得我们邻居一直在窥视我们。
He knows enough that can live and hold his peace.
见多识广者沈默寡言。
They have also assumed that all animals, and probably other organisms such as trees,
人们不但认识到所有的动物，大概也认识到所有的有机物，如树木，