Bravoite
方硫铁镍矿, 镍黄铁
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
I'm very glad to meet you.
认识你很高兴。
Can you put me in the picture about the World Cup Football Match?
你能给我讲讲关于世界杯足球赛的状况吗？