飘动

fan; flap; float; wave

1. 羽毛会在空中四处飘动，尤其是在多风的天气。如果遇上阵雨，就会因为淋上雨水变湿就沉，然后就会垂直落回到地上。
   A feather floats about on the air, especially on a windy day. If there is a shower of rain, the feather will get wet and heavy with water, and then it will sink straight to the ground.
2. 她的头发随风飘动。
   Her hair was flying about (in the wind).
3. 强风于旗子啪啪地飘动。
   The gale flapped the flags.

动的英语翻译：