Mathfile
[计] 数学文件
🗣️ 情景例句
He ventured upon an enterprise.
他大胆地开始了他的事业。
We can supply from stock and will have no trouble in meeting your delivery date.
我们可提供现货并按你方所定日期交货。
Do you see that notice? It says No Camping -- in case you can't read!'
你们看到那个布告牌了吗？上面写着‘禁止野营’－－除非你们不识字！”