Belite
n. 斜硅钙石,B-水泥石(水泥熟料中的矿石成分), 二钙硅酸盐(水泥)
🗣️ 情景例句
Fine, thank you.
很好， 谢谢。
I'd like two seats on today's northwest flight 7 to detroit, please.
我想订两张今天西北航空公司7班次到底特律的机票。
There were six million visitors in all,
参观的人数总共是600万。