Ferruginosity
含铁性
🗣️ 情景例句
The roads are packed with holiday makers.
路上挤满了度假的人。
I will happily admit that I am as nervous as a cat on a hot roof.
我承认现在我非常紧张，像热锅上的蚂蚁一样。
This one?
这本吗？