Polyiron
多晶形铁, 树脂羰基铁粉
🗣️ 情景例句
It doesn't hurt that much, does it?
这样没有那么痛， 是吗？
What's the date today?
今天几号？
I've promised to take my pound of flesh.
我说过一定要拿走我应得的那一磅肉。