Paramelaconite
锥黑铜矿
🗣️ 情景例句
Did you forget something?
你是否忘了什么东西吗？
Since we are likely to place sizable orders regularly we hope that you will make some special concessions.
由于我方将定期大批量订购，希望贵方作出一些特殊的让步。
If one group of people were disturbed from their eye-movement sleep for several nights on end,
如果有两组人，一组人连续几夜在眼球队活动时被叫醒；