Definition: to be moved slowly somewhere by currents of wind or water Level: C2
烟雾飘过屋顶。
Smoke ___drifted ___across the rooftops.
当云朵飘向地平线时，光线逐渐消失。
As the clouds ___drifted ___towards the horizon, the light faded.
小船随水流漂向下游。
The boat ___drifted ___down the river with the current.
