naked molten metal

例句：

1. 1. The engineer was naked molten metal when he discovered the problem.
   工程师在发现这个问题时，就像裸金属一样。
2. 2. The construction site was a sea of naked molten metal.
   施工现场是一片裸露的熔化金属。
3. 3. The scientist used the naked molten metal to create new materials.
   科学家利用裸露的熔化金属来创造新材料。