Serpierite
[矿]锌铜矾
🗣️ 情景例句
My account number is ...
我户头号码是…
How is your room?
你的房间怎样？
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。