waxy cast

例句：

1. 1. The waxy coating on the surface of the stone prevents it from being damaged.
   石头表面的蜡质涂层防止它受到损害。
2. 2. The waxy coating on the skin helps to protect it from the elements.
   皮肤上的蜡质涂层有助于保护它免受外界因素的影响。
3. 3. The waxy coating on the candlestick was so thick that it could not be easily removed.
   蜡烛棒上的蜡质涂层太厚了，难以轻易去除。