Silicochromium
硅鉻(合金)
??? 情景例句
I hope you don't mind my asking, but I'd like to know.
我希望你不介意我向你打聽一下，我想知道。
Has everybody got a sheet?
每個(gè)人都拿到材料了嗎？
Why do you say that?
你為什么這樣說？