fluxn.流量;变迁;助熔剂vt.使熔化;使泻;涨vi.熔化
fluten.长笛;凹槽vi.吹长笛;发出笛声vt.刻凹槽
flutterball摇晃的球
flutter echo颤动回波,多次回声
flutter coil颤动校准线圈
flutter test颤动测试
flutter rate颤动率,振动率
flutterboardn.[体](游泳)打水板;打腿练习板
flutter wave扑动波
flutteringlyadv.振翅地;拍翅地;鼓翼地
flutter down鼓翅而下,飘摇而降
flutter kickv.浅打水(膝部保持不动仅用小腿上下击水游泳法)