Codelco
abbr. Corporacion Nacional del Cobre de Chile （西班牙语）智利国营铜公司
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
Content is better than riches.
知足常乐。
It's a pencil-box.
一只铅笔盒