Magnetitite
磁铁岩
🗣️ 情景例句
What books are required for this class?
这课需要什么样的书？
How much is it by air mail?
航空信要多少钱？
Small boats loaded with wares sped to the great liner as she was entering the harbour.
当一艘大型班船进港的时候，许多小船载着各种杂货快速向客轮驶来。