Bornite
n. 斑铜矿\\n[化] 斑铜矿
🗣️ 情景例句
While it may be cold outside, it's always warm here in the office.
外面可能很冷的时候，办公室里面总是很暖和。
Quick feet and busy hands fill the mouth.
手勤脚快，嘴里吃饱。
What happened before printing was invented?
印刷术发明以前是怎么一回事？