Probertite
[矿]基性硼钠钙石
🗣️ 情景例句
Is it all right if I use a letter of credit?
如果我使用信用证，没关系吧？
Did you go to the circus last night?
你昨晚去看马戏了吗？
I know someone who always cuts sketches out from newspapers of model clothes that she would like to buy if she had the money.
我认识一个人，她总喜欢从报纸上剪下流行服装的图样，等以后有钱时去买服装。