Ferrous oxide
[计] 氧化亚铁\\n[化] 氧化亚铁
🧩 词语组成解析
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
with my children and grandchildren.
与儿子、 孙子们在一起。
Had so much fun
玩得开心
Sending a fax is more expensive than posting a letter, but much quicker.
发传真比寄信要贵些，但是要快得多。