perk up one's ears
短语词形变化
perked up one's ears
perking up one's ears
perks up one's ears
三单
perks up one's ears
perking up one's ears
现在分词
perked up one's ears
过去式
perked up one's ears
过去分词
别名
perk one's ears
释义与例句
v.
-
1.
Synonym of prick up one's ears.