Ferroferric oxide
[化] 四氧化三铁; 磁性氧化铁
🧩 词语组成解析
亚铁正铁(根)
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
They have an opening.
他们有一个空房间。
How long does it take?
火车要开多久？
He has made neat paths and has built a wooden bridge over a pool.
他修筑了一条条整洁的小路，并在一个池塘上架了一座小木桥。