Sideroferrite
木化石中发现的天然铁
🗣️ 情景例句
You'll send yourself to an early grave.
你这样会未老先衰的。
Please send your report to me at the office by Monday.
请于周一以前将报告送到我的办公室。
rising at one-foot intervals all the way to the top of the atmosphere.
并按1英尺的间隔从地面一直排列到大气层的顶端。