"废渣"是个多义词，它可以指废渣（人类生产和生活过程中排出或投弃的固体）,废渣（变形金刚人物）。
怎样用工业废渣制造砖块？
农业生产中各种杀虫剂和废渣都流入海水当中，大堡礁因此受到破坏。
The iconic reef is being damaged by pesticides and sediment from farms that seep into waterways.
本周，人们发现，这家工厂将不少于5000吨的铬(已知的致癌物)废渣倾倒在了附近的山上和南盘江中。
The plant was found this week to have dumped more than 5,000 tonnes of waste chromium - a known carcinogen - in the nearby hills and the Nanpan river.
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