常見(jiàn)例句When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice, called sleet.當(dāng)融化的雪晶或雨滴落下時(shí)穿過(guò)非常冷的空氣，它們會(huì)冰凍成很小的冰粒子，稱作冰雨。 返回 snow-particle