melting grid spiral

例句：

1. 1. The melting grid of ice crystals is visible in the frosted windowpane.
   冰晶的熔化网格在霜花的窗玻璃上可见。
2. 2. The melting grid of ice crystals is visible in the frosted windowpane.
   冰晶的熔化网格在霜花的窗玻璃上可见。
3. 3. The melting grid of ice crystals is visible in the frosted windowpane.
   冰晶的熔化网格在霜花的窗玻璃上可见。