Iecnum
铜镍合金
🗣️ 情景例句
How about some bacon?
来点咸肉怎么样？
Life is long if you know how to use it.
如果懂得好好利用，生命就长了。
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，