as light as thistledown

例句：

1. 1. The breeze carried the scent of wildflowers, as light as thistledown.
   微风中飘散着野花的香味，轻得像蒲公英的绒毛。
2. 2. She swam through the shallow water, feeling as light as thistledown.
   她游过浅水区，感觉轻得像蒲公英的绒毛。
3. 3. The kite soared high above the treetops, as light as thistledown.
   风筝在树梢上方高高飞翔，轻得像蒲公英的绒毛。