单词	duff
释义	duff 2 (dŭf) n. 1. Decaying leaves and branches covering a forest floor. 2. Fine coal; slack. [Origin unknown.]
随便看	reactive attachment disorder reactively reactiveness reactive thrust reactivity reactor reactor core reactor vessel read Read readability readable readably read a lecture read a lecture/lesson read a lesson read between the lines reader readership readily readiness reading Reading reading desk reading frame

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