ingrain

动词 ingrain:

1. thoroughly work in
   同义词：grain
2. produce or try to produce a vivid impression of
   同义词：impress, instill

1. A carpet disfigured by ingrained dirt.
   一块被深嵌的灰尘弄脏了的地毯
2. Black dirt or soot, especially such dirt clinging to or ingrained in a surface.
   污垢，灰垢黑色脏物或煤灰，尤指附着或深嵌在一个表面上的污垢

in.grain

v.tr.（及物动词）
in.grained,in.grain.ing,in.grains
To fix deeply or indelibly, as in the mind:
牢牢记住：在心中根深蒂固地记住：
例句：
.A system that had been ingrained for generations could not be easily undone by change from the top.(Doris Kearns Goodwin)
.一个已经好几代人都根深蒂固的系统很难靠从上加以演变来破坏.(多丽丝·克恩斯·古德温)

Archaic To dye or stain into the fiber of.
【古语】 染色：给纤维染色或着色
adj.（形容词）

Deep-seated; ingrained.
根深蒂固的；牢固的
Made of predyed fibers; thoroughly dyed:
染色的：由预先染色的纤维制成的；完全染过色的：
例句：
ingrain yarn.
染色的纱线

Made of fiber or yarn dyed before weaving. Used especially of rugs.
染色原纤：由纺织前就染色的纤维或纱线制成的。尤指地毯
n.（名词）

Yarn or fiber dyed before manufacture.
生染的纤维：生产前就染了色的纱线或纤维
An ingrain rug or carpet.
生产前染过色的地毯或毯子

来源：
Variant of engrain
engrain的变体