phosphor-copper

例句：

1. 1. The alloy has a high melting point and is widely used in electronics.
   这种合金熔点高，广泛应用于电子领域。
2. 2. The scientist discovered a new way to extract phosphorus from seawater.
   这位科学家发现了一种从海水中提取磷的新方法。
3. 3. The phosphorus-copper alloy is resistant to corrosion and can be used for a long time.
   磷铜合金具有抗腐蚀性能，可以长时间使用。