同义词： ice crystal snow mist diamond dust poudrin frost snow frost mist
ice fall needle冰针
needle ice针状冰;[水文] 针冰;针状冰晶
同义词：ice crystalsnow mistdiamond dustpoudrinfrost snowfrost mist
N（名词） one of many needle-like ice crystals that form cirrus clouds in clear cold weather 冰针 [meteorol]