Polyiron
多晶形铁, 树脂羰基铁粉
🗣️ 情景例句
Don't interfere in matters that do not concern you!
别管闲事！
And want to share with them the pleasure and honor of receiving this award.
并与他们分享这次得奖的喜悦与荣耀。
These ocean waves are among the earth's most complicated natural phenomena,
这些海浪属于地球上最复杂的自然现象。