Cementite
n. 碳化铁\\n[化] 渗碳体; 碳化铁体
🗣️ 情景例句
I've never heard such a pile of crap in my life!
我这辈子从来没听过如此胡说八道！
I am afraid I will not be able to accompany you.
我恐怕无法跟你在一起了。
He was in the R.A.F.
他曾在皇家空军任职。