Berkeyite
开蓝石
🗣️ 情景例句
About three weeks. We'll have enough time for our talks.
大约三个礼拜，我们有足够的时间交谈了。
Would you please call a taxi for me?
可以请你帮我叫一辆出租车吗？
I don't think you are right.
我认为你是不对的。