The ground was covered with pieces of paper, cigarette ends, old tyres, empty bottles and rusty tins.
满地都是纸片，烟头，旧轮胎，空瓶子和生锈的空罐头盒。
Oxidation will make ground-wire of lightning arrester rusty.
氧化（作用）会使避雷装置的接地线生锈。
The wide open ground beyond window, which had been for years piled with rusty long steel bars---building materials for some new dormitories to be put up nearby, was a scene of desolation.
窗前一大片的空地上，历年来堆放着许多长长的，生了锈的钢筋---这是为建筑附近几座宿舍楼用的---真是一片荒凉沉寂。
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