Polyiron
多晶形铁, 树脂羰基铁粉
🗣️ 情景例句
Oh, this is amazing! How can you people handle so many festivals?
哇，不是吧！你们怎么可能应付这么多的节日？
Would you please pass the salt?
请您递给我盐。
Who died and made you king?
你算哪根葱？