Pickeringite
镁明矾
🗣️ 情景例句
No ID number.
没有识别号码。
During the two years since I took charge of the department.
在我负责这个部门的两年中。
The hospital had been bombed and Hans had made his way back into Western Germany on foot.
医院遭到轰炸，汉斯步行回到了西德。