Xanthosiderite
n. 黄针铁矿
🗣️ 情景例句
My wife died four years ago.
我妻子四年前去世了。
May I ask you how old you are?
我能问你多大了吗？
The ideal to be aimed at was to devise an instrument that could record with a pen on paper,
当地震发生时，它能用笔在纸上记录下