Walkerite
镁针钠钙石
🗣️ 情景例句
Are you through with your work?
你工作做完了吗？
Me too. I was hoping we could go to the beach today, but it looks like that's out of the question.
我也这么想，我本来希望我们今天去海边，但看来没戏了。
So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.
于是，考古学家们既缺乏历史记载，又无口头传说来帮助他们弄清最早的“现代人”是从哪里来的。