保护物的用法和样例：
例句
-
（坑内的）堵壁、堤岸、挡土墙在矿井里或沿着水边的墙或堤，用来当作当保护物的障碍物
A wall or embankment, as in a mine or along a waterfront, that acts as a protective barrier. -
保护物品的小片大量用于包装及运输中保护物品的一种小片，如聚苯乙烯
A small piece, as of polystyrene, used in quantity to protect items during packaging and shipment. -
风挡为防止一个物体受风吹而安置的保护物
A shield placed to protect an object from the wind. -
保护物一个起保护作用的装置；保护装置
A device that protects; a guard.
