单词	Secchi disc
释义	Secchi disc noun Sec·​chi disc ˈsekē- : a reflective disc lowered into a body of water to permit measurement of the relative transparency of the water by recording the depth at which the disc is no longer visible Word History Etymology after Angelo Secchi †1878 Italian astronomer
随便看	misidentifying misimpression misimpressions misimprove misimproved misimprovement misimproves misimproving misinferred misinferring misinfers misinform misinformants misinformation misinformations misinformative misinformed misinformers misinforming misinforms misinstructed misinstructing misinstructs misintelligence misinterpret

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