酸雨和被污染的大气还会侵蚀建筑物的砖块和石造的部分，腐蚀钢制桥梁和铁轨的金属部分。
Acid rain and polluted air also damage the bricks and stonework of buildings, and corrode the metalwork of steel Bridges and railings.
铜能抗腐蚀。铜暴露在空气中形成的绿色物质称为铜绿。铜绿层能防止大气的进一步侵蚀。
Chlorophyll is a green substance in plants that absorbs energy from sunlight and helps them grow.
铜能抗腐蚀。铜暴露在空气中形成的绿色物质称为铜绿。铜绿层能防止大气的进一步侵蚀。
Chlorophyll is a green substance in plants that absorbs energy from sunlight and helps them grow.
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