Oxalite
草酸铁矿
🗣️ 情景例句
You have been working on this for some time, Richard.
你从事这工作已有一段时间了， Richard。
What's your brother planning to do tomorrow?
你的兄弟计划明天做什么？
Well, there are several things we could do.
唔，有几件事是我们可以做的。