Ferramic
粉末状的铁磁体
🗣️ 情景例句
How do you do?
你好。
I've bee invited over to a friend's, and you?
有个朋友请我去作客，你呢？
The wall behind looks a bit grey and dull. What can we do to make it look less ugly?
后面那堵墙看起来有点暗。我们能不能让它漂亮点？