en.grain
v.tr.（及物动词）en.grained,en.grain.ing,en.grains To ingrain.使原纤（或原纱）染色
来源：Middle English engreinen [to dye with cochineal or kermes] 中古英语 engreinen [用胭脂红染色] from Old French engrainer 源自 古法语 engrainer en- [causative pref.] * see en- en- [使役前缀] *参见 en-graine [grain] * see grain graine [纹理，木纹] *参见 grain
