《pond scum》怎以读
英 [pɔnd skʌm]
美 [pɑnd skʌm]
《pond scum》是什么意思
（浮在死水上面的）绿藻类层；
英英释义
pond scum
- n.free-floating freshwater green algae
学习《pond scum》怎么用
权威例句
Pond ScumPond ScumPond scum?Pond scum to petrol :Pond Scum Genomics: The Genomes of andWorms, Pond Scum and EconomistsPipe Dreams Of Pond ScumAlgae: Is pond scum the next oil boom?Pond scum to the rescue. Interview by David Biello.Pond scum genomics: the genomes of Chlamydomonas and Ostreococcus.Study of CuSO_4 Solution on Controlling Pond ScumReleasing Stored Solar Energy within Pond Scum: Biodiesel from Algal LipidsGenes for tight adherence of Actinobacillus actinomycetemcomitans: from plaque to plague to pond scum