Thorotungstite
钍钨矿, 钨钍矿
🗣️ 情景例句
Your English is very good.
你的英语说得很好。
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
With this, he hurried off the stage.
他一边说着，一边匆匆下台。