Walkerite
镁针钠钙石
🗣️ 情景例句
I'll help.
我也来帮忙。
Nice to see you, my old friend.
真高兴见到你，我的老朋友。
The doctors removed a section of the mummy and sent it to a laboratory.
医生们从木乃伊身上取下一个切片，送去化验。