Pithblende
[化] 沥青铀矿
🗣️ 情景例句
Are you free?
您有空吗？
Man alone is born crying, lives complaining, and dies disappointed.
只有人，生下时啼哭，活著时抱怨，去世时失望。
I will continue my learning, though I am tired of learning English.
尽管我很烦英语，我还是要学它。