Polyiron
多晶形铁, 树脂羰基铁粉
🗣️ 情景例句
Yes. I have an upset stomach.
是的，我的胃很难受。
Hello. Could I please speak to Miss Davis?
喂，麻烦你，请戴维斯小姐听电话。
I'll have apple pie with ice cream and jam sauce.
我要一份苹果饼，淋上冰淇淋和果酱。