It's high temperature today, it's hard to go out.

This metal melts at high temperatures.

This metal is very hard.

If a meltdown occurs at a nuclear power plant, it can lead to a major disaster.

There is a possibility that the nuclear power plant will become a meltdown.

Transition metals play an important role in chemical reactions.

When he opened the door, a metallic sound echoed.

Alkali metals are very reactive chemically.

Metallic bonds are formed by ions floating in a sea of electrons.

He used a metal detector to search for treasure on the beach.