underturn
发音
US
词形变化
underturned
underturning
underturns
三单
underturns
underturning
现在分词
underturned
过去式
underturned
过去分词
释义与例句
v.
-
1.
To turn upside down; subvert; upset.
废旧 及物
词源
From Middle English underturnen, equivalent to under- + turn.
来源：wiktionary