Kevir
沙漠洼盆
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
Steel ball
钢珠
'Yes, thank you,' I answered, 'but I can't pay the bill.I haven't got my bag.'
“很好，谢谢。”我回答，“但我付不了帐，我的提包没有了。”