Cementite
n. 碳化铁\\n[化] 渗碳体; 碳化铁体
🗣️ 情景例句
Congratulations on your wedding.
祝贺你们的婚礼。
Has this seat number started boarding?
这个座位号已开始登机了吗？
As there were not enough lifeboats for everybody, 1,500 lives were lost.
由于没有足够的救生艇运载所有乘客，结果，1，500 人丧生。