Oreing
高碳钢矿石脱碳法
🗣️ 情景例句
Yes. Here they are.
带来了， 在这里 。
Old wood is best to burn, old book to read.
老柴好烧，老书宜读。
But wouldn't you like to spend an extra day or two here?
你们不愿意在北京多待一天吗？