Salgodonite
[机] 微晶砷铜矿
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
I'm afraid you're too critical about your food.
我怕你对食物太挑剔了。
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。