heavy element

• 重元素

heavy element的用法和样例：

例句

1. It's a heavy element produced in thermonuclear explosions of supernovae.
   这是一个重元素，产生于超新星的热核爆炸。
2. Petitjean and Scannapieco are working together on the clustering of heavy elements observed in quasar spectra.
   佩提特金与史坎纳皮科正合作探讨类星体光谱中观测到的重元素群集现象。