Djerfischerite
陨碱铜硫镍铁
🗣️ 情景例句
Don't forget to use primer first when you paint the house.
刷房子之前别忘了刮底漆。
You've already quoted a price of $ 800 per 1,000. Is there a discount for larger orders?
你报的价是每1000个要美金800元，如大量订购有折扣吗？
You made a tough decision.
你做了一个困难的决定。