Magnetitite
磁铁岩
🗣️ 情景例句
Sorry to be a bother.
不好意思打扰你。
We've already had a big demand for this product.
这种产品我们已有很大的需要求量。
What can I eat? asked Mrs Brown.
“吃什么才行呢？”布朗夫人问。