Sideroferrite
木化石中发现的天然铁
🗣️ 情景例句
IT is no longer the growth industry it once was.
信息科技业的增长不再像以前那样快。
Custom makes all things easy.
若照习惯办，万事皆不难。
Alfred the Great acted his own spy,
阿尔弗雷德大帝曾亲自充当间谍。