undermaintain
发音
US
词形变化
undermaintained
undermaintaining
undermaintains
三单
undermaintains
undermaintaining
现在分词
undermaintained
过去式
undermaintained
过去分词
释义与例句
v.
-
1.
To maintain inadequately; to allow to fall into disrepair.
及物
词源
From under- + maintain.
来源：wiktionary