n. abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block
v. flap the wings rapidly or fly with flapping movements
词态变化
过去式:fluttered
现在分词:fluttering
过去分词:fluttered
第三人称单数:flutters
复数形式:flutters
常见例句
1
-ing form of a-flutter
2
the occurrence of an abrupt, transient loss or impairment of consciousness (which is not subsequently remembered), sometimes with light twitching, fluttering eyelids, etc.
3
any of several trees of the genus Populus having leaves on flattened stalks so that they flutter in the lightest wind
4
flutter like a butterfly v
5
v flutter like a butterfly v cut and spread open, as in preparation for cooking v talk or behave amorously, without serious intentions
