the part that is left after the main part has gone or been taken away, or a substance that remains after a chemical process such as evaporation
发音
例句
1. Mary scraped the residue of food from the plates before putting them under water. 玛丽在把盘子放入水之前先刮去上面的食物残渣。 2. Pesticide persistence beyond the critical period for control leads to residue problems. 农药一旦超过控制的临界期,就会导致残留问题。