Polarite
铋铅钯矿
🗣️ 情景例句
People shouldn't do drugs. They're too addictive.
人们不应吸毒，太容易上瘾了。
Have you been busy with schoolwork?
学校的功课很忙吗？
In the last act, a gaoler would always come on to the stage with a letter which he would hand to the prisoner.
在最后一幕中，狱卒手持一封信上场，然后将信交给狱中那位贵族。