用英语说 冰糖

rock candy
n.
A hard confection that is made by cooling a concentrated sugar syrup into large, clear crystals around a piece of string or a stick.
冰糖，硬棒糖一种把浓缩的糖浆冷却成大颗透明的晶体，并将其串在细绳或小棍上而制成的硬糖果

Crystal sugar

亮晶晶的糖块儿。

Crystal sugar

crystal sugar
rock candy
sugar candy
以上三个均可以。