Ferri oxide
[电] 三氧化二铁
🧩 词语组成解析
[医] 铁(26号元素)
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
All of this comes before eating. OK?
这些都是在吃之前先得做的事 ，知道吗？
Not really, I'm afraid. We were delayed taking off, and we encountered a lot of bad weather.
不太好，我们起飞延误了，还遭遇了恶劣的气候。
When will we hear something from him?
什么时候会有消息呢？