cháng / qī / bào / lù / zài / yǔ / shuǐ / zhōng / huì / shǐ / qiáo / liáng / zhú / jiàn / xiù / shí

长期暴露在雨水中会使桥梁逐渐锈蚀。

Long-term exposure to rainwater will gradually rust the bridge.