| 单词 | pond scum |
| 释义 | pond scum (once / 422119 pages) n WORD FAMILY pond scum: pond scums USAGE EXAMPLESThere’s more to pond scum than meets the eye. Time(Nov 02, 2016) Just thinking about it made me feel like pond scum again. Sharon M. Draper, Out of My Mind(2010) When you combine greens in a blender, the end result looks a lot like mud or pond scum. US News(Nov 12, 2015) n free-floating freshwater green algae Hyper chlorophyte, green algae algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water |
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