Ferroferrite
纯铁, 纯铁体
🗣️ 情景例句
Try again.
再试一次。
It's available in a variety of sizes at convenience stores and department stores as well.
有各种大小型号，在便利商店和百货公司均有。
The bull was busy with the matador at the time,
当时那公牛正忙于对付斗牛士，