常見例句雙語例句The planet's magnetic field is generated by the motion of molten iron flowing around a superhot, solid iron core.地球內部的熔鐵圍繞其核心的超高溫固體鐵核流動，由此產生了地球磁場。In theory, you need molten iron in the core to generate one, but Mercury is so small, its core should have long since solidified.理論上，如果核心有可熔化流動鐵則可以產生磁場，但是水星很小，它的核心也不足以來熔化。What the researchers found deep in the lunar interior: a solid iron ball 300 miles across, wrapped in molten iron another 56 miles thick, topped with a 93-mile layer of partially molten material.研究人員發(fā)現在月球內部深處：有一個跨度約為300英里的固體鐵球，包裹在另外56英里厚的鐵水里，頂上部分地還有93英里層的熔融材料。權威例句It would take cold, hard steel, made from hot molten iron.FORBES: How Much Would It Cost to Build the Death Star from Star Wars? 返回 molten iron