Pitchblende
n. 沥青铀矿
📖 牛津释义
pitchblende
n[U]
black shiny mineral ore which is the main source of uranium and radium 沥青铀矿.
🗣️ 情景例句
I have received the secretarial training for six months.
我曾接受过6个月的秘书训练。
He is far too qualified for such a menial position.
他做那样卑贱的工作，未免太可惜了。
I may be able to start a small school.
那么，我也许能够开办一个小型的学校。