| 释义 |
scum DIRTskQmn [U]a layer of unpleasant or unwanted material that has formed on the top of a liquid浮渣，浮垢The lake near the factory was covered with grey, foul-smelling scum.在这家厂附近的湖面飘浮着一层灰色的发着臭味的浮垢。Look at the scum round the bath--you must have been very dirty!你看看留在浴盆周围的浮垢，你一定很脏!Bring the beans to the boil, then remove the scum with a spoon.把豆煮开，然后用勺子把浮渣去除。
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