v.盘旋上升（或下降）( spiral的过去式和过去分词 )，（物价等）不断急剧地上升（或下降）...

spiralled的音标：...

A joss stick spiralled smoke.一柱线香青烟袅袅。The falling leaf spiralled to the ground.落叶盘旋着飘到了地上.The smoke spiralled up.烟盘旋上升....