vt.
使形成硬壳(或硬外层)：
to encrust The snow
使雪的表面结起一层薄冰
iron encrusted with rust
外表生锈的铁
在…结壳，在…上涂(或包)硬的表层，包外壳于：
The windows were encrusted with dirt.
窗户上覆盖了一层灰尘。
用(贵重物品)装饰外层，(尤指用宝石)镶饰，镶嵌，镂：
The gold crown was encrusted with precious gems.
金制的王冠镶有许多贵重的宝石。
vi.
长壳，