Ferrosilicate
铁硅酸盐
🗣️ 情景例句
Good-bye, and thanks for bringing Gemma in.
再见，谢谢你们把Gemma送来。
This is the last time I'll ever ask you to do anything for me.
这是我最后一次要求你为我做事情。
Mrs.Ramsay received an anonymous letter.
拉姆齐太太收到一封匿名信。