Ferrosilicate
铁硅酸盐
🗣️ 情景例句
Five five five…zero eight zero eight.
555-0808。
I mean what I say.
我说话算数。
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。