ferric oxides的用法和樣例：
例句
- To recover iron from its ores, the oxides are reduced by heating together with coke and limestone.
為了從礦石中提煉鐵，必須在鐵氧化物中加焦炭和石灰石進(jìn)行加熱，還原出鐵來(lái)。 - The results indicate that the amounts of Fe oxides influence Cd adsorption to natural surface coatings greatly.
結果表明，在自然水體生物膜吸附鎘的過(guò)程中，生物膜對鎘的吸附隨生物膜上鐵氧化物的含量呈規律性變化。
