Conpernik
康普尼克铁镍基导磁合金
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
The Moon is likely to become the industrial hub of the Solar System,
月球很可能成为太阳系的工业中心。