Ferroferrite
纯铁, 纯铁体
🗣️ 情景例句
They shared the first harvest with the Indians
他们与印第安人分享首次收成
I am very happy that you have come all the way from the United States to visit our company.
您不远千里从美国来我公司访问，我们感到非常高兴。
Hi, Lucy! Are you free tomorrow night?
你好，露茜！明天晚上你有空吗？