Aetite
褐铁矿结核, 矿石结核, 瘤状矿石
🗣️ 情景例句
Tom doesn't enjoy going to school.
汤姆不喜欢上学。
It's a pencil.
那是一枝铅笔。
When you visit London, one of the first things you will see is Big Ben,
当你游览伦敦时，首先看到的东西之一就是“大本”钟，