flutterer
动词 flutter:
move along rapidly and lightly; skim or dart
同义词:flit, flutter, fleet, dart
move back and forth very rapidly
同义词:flicker, waver, flitter, flutter, quiver
flag the wings rapidly or fly with flapping movements
同义词:flutter
beat rapidly
同义词:palpitate, flutter
wink briefly
同义词:bat, flutter