filthen
词形变化
filthened
filthening
filthens
三单
filthens
filthening
现在分词
filthened
过去式
filthened
过去分词
释义与例句
v.
-
1.
To cover with filth; besmut; besmirch; make filthy.
罕用 及物
词源
From filth + -en, modelled after healthen, strengthen, lengthen, etc.
来源:wiktionary