vt. 使(染料等)透入, 使根深蒂固

Engrain \En*grain"\, v. t. [imp. & p. p. {Engrained}; p. pr. &
vb. n. {Engraining}.] [Pref. en- + grain. Cf. {Ingrain}.]
1. To dye in grain, or of a fast color. See {Ingrain}.

Leaves engrained in lusty green. --Spenser.

2. To incorporate with the grain or texture of anything; to
infuse deeply. See {Ingrain}.

The stain hath become engrained by time. --Sir W.
Scott.

3. To color in imitation of the grain of wood; to grain. See
{Grain}, v. t., 1.