Josephinite
镍铁矿
🗣️ 情景例句
I type about 40 words per minute.
一分钟我能打40个字。
She must be a model, isn't she?
她一定是个模特，不是吗？
It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,
确实，在探险中他们经常遇到惊心动魄的困难和危险，而他们装备之简陋足以使现代登山者一想起来就胆战心惊。