Langbeinitite
含盐钾镁矾
🗣️ 情景例句
You understand?
你能谅解？
I haven't heard from him for a long time.
我很久没有收到他的信了。
'It's all right,' she said, 'but isn't it upside down?'
是不错，她说到，但你不觉得有些混乱吗？