動(dòng)詞 ingrain:

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

1. A carpet disfigured by ingrained dirt.
   一塊被深嵌的灰塵弄臟了的地毯
2. Black dirt or soot, especially such dirt clinging to or ingrained in a surface.
   污垢，灰垢黑色臟物或煤灰，尤指附著或深嵌在一個(gè)表面上的污垢

in.grain

v.tr.（及物動(dòng)詞）
in.grained,in.grain.ing,in.grains
To fix deeply or indelibly, as in the mind:
牢牢記住：在心中根深蒂固地記?。?/br>例句：
.A system that had been ingrained for generations could not be easily undone by change from the top.(Doris Kearns Goodwin)
.一個(gè)已經(jīng)好幾代人都根深蒂固的系統(tǒng)很難靠從上加以演變來破壞.(多麗絲·克恩斯·古德溫)

Archaic To dye or stain into the fiber of.
【古語】 染色：給纖維染色或著色
adj.（形容詞）

Deep-seated; ingrained.
根深蒂固的；牢固的
Made of predyed fibers; thoroughly dyed:
染色的：由預(yù)先染色的纖維制成的；完全染過色的：
例句：
ingrain yarn.
染色的紗線

Made of fiber or yarn dyed before weaving. Used especially of rugs.
染色原纖：由紡織前就染色的纖維或紗線制成的。尤指地毯
n.（名詞）

Yarn or fiber dyed before manufacture.
生染的纖維：生產(chǎn)前就染了色的紗線或纖維
An ingrain rug or carpet.
生產(chǎn)前染過色的地毯或毯子

來源：
Variant of engrain
engrain的變體