Yes, "crust" can be used as a sentence if you are referring to something specific, such as "I like to eat the crust of a pizza."
a sentence for crust
The crust is the outermost layer of the earth
I ate all the pizza including(except) the crust.
Earthquakes are caused by the movement of tectonic plates in the earth's crust.
The only thing that looked appetizing on her pie was the golden brown crust.
I'll eat your pizza crust for you.The crust was all burned up.The crust of the earth is a very interesting subject.When I eat a sandwich, I always cut off the crust.
I don't like the crust on my sandwich. or The boy had crust by his eyes when he woke up from his sleep.
A terrane is a fragment of crust that has a geologic history different from that of the surrounding crust, often resulting from tectonic movements.
The crust is the top layer of the earth. Here are some sentences.Earth's crust can be many miles thick.Below Earth's crust is the mantle.Earth's crust is broken into many plates, which shift about on the liquid interior.We live atop Earth's crust.
Well the definition is "a hardened crust or covering on something"
the divergent bounday forms new crust