pollution risk的用法和樣例：
例句
- But hydraulic fracturing can also produce debate and anger over the risk of groundwater pollution.
但是，水力壓裂也可導致對地下水污染風(fēng)險的爭議以及憤怒。 - Some operations are criticized for their treatment of fish and the risk of raisegov pollution to waterways.
一些養殖場(chǎng)由于對養殖魚(yú)的處理方式以及對水道帶來(lái)的污染風(fēng)險而受到批評。
