Trichalcite
丝砷铜矿
🗣️ 情景例句
He said I should call him.
他说我可以打电话给他。
What position do you play?
你踢什么位置？
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.
她称这些佣人叫“流动人口”，因为他们来匆匆，所以我甚至都没有机会知道他们的姓名。