mud scum的用法和样例：
例句
- The relationships among biological effects, the formation of depression, strength heterogeneity of sediment and distribution of mud are also discussed.
在此基础上探讨了生物活动与滩面凹坑，沉积物强度非均匀性以及研究区浮泥之间的关系。 - The survey system can make measurement of the depth of the mud scum and can automatically plot a navigable water depth chart with the acquired data of water depth.
该系统可以进行浮泥层水深测量并将水深数据经整理后自动绘制成适航水深图。
