Metco
[商]镍-铝粉状复合材料(用于喷涂形成金属表面)
🗣️ 情景例句
It can go beyond the school system, Ellen.
这可以推广到学校体制以外， Ellen。
I finished my work at 6 p.m.
下午6点我下班了。
But I couldn't answer the rest.They were too difficult for me.
但我回答不出其作的题。那些题对我来说太难了。