en·crust /ɪnˈkrʌst/ vt. | vi. ❶ vt. 1. 在…上包(或涂)硬的外层，在…上结壳 boots encrusted in mud 污泥硬结的靴子 2. 使在表面形成硬壳，使形成硬的外层 The extremely cold weather encrusted the snow. 严寒天气使雪面结起一层薄冰。 3. 用(贵重物品)装饰外层 The vase was encrusted with precious stones. 花瓶外镶嵌着一层宝石。 an old lady encrusted with jewellery 满身珠光宝气的老太太 ❷ vi. 形成硬的外层，结壳 The snow iced up and encrusted on the ground. 雪在地面结成了一层冰。