79 protons: always gold. 59 protons: always praseodymium.

79 个质子：永远是黄金。 59 个质子：总是。

He found out how to use praseodymium in operations and once cured a patient.

他弄清了如何在手术中疗冶个病人。

Those heat-resistant bonds are also one reason that glass made with praseodymium is used in a lot of welders' and glassblowers' masks and goggles.

这些耐热键合也是制造的玻璃被大量于焊工和玻璃工的面具和护目镜的原因之。