[建] 结硬皮

Crust \Crust\, v. t. [imp. & p. p. {Crusted}; p. pr. & vb. n.
{Crusting}.] [Cf. OF. crouster, L. crustare. See {Crust}, n.
]
To cover with a crust; to cover or line with an incrustation;
to incrust.

The whole body is crusted over with ice. --Boyle.

And now their legs, and breast, and bodies stood
Crusted with bark. --Addison.

Very foul and crusted bottles. --Swift.

Their minds are crusted over, like diamonds in the
rock. --Felton.