Gaseous cement
[化] 气体渗碳剂
🧩 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
And thanks, Dad.
谢谢你， 爸爸。
I considered changing my job,k but in the end I decided not to.
我考虑换个工作，但最后我决定不换了。
both men were genuinely sorry that they had to leave.
这二位不得不离开那个荒岛时，还真的感到遗憾呢！