wispy

她的声音很微弱，几乎听不见。

Her voice was so ___wispy that it was almost inaudible.

清晨的薄雾像轻纱一样笼罩着湖面。

The ___wispy morning mist draped over the lake like a delicate veil.

她的头发又细又软，像几缕轻烟般飘在肩上。

Her hair was so fine and soft, like ___wispy strands floating on her shoulders.