单词	knotty
释义	knot·ty (nŏtē) adj. knot·ti·er, knot·ti·est 1. Tied or snarled in knots. 2. Covered with knots or knobs; gnarled. 3. Difficult to understand or solve: "[The columnist] supplies funny, wise responses to knotty ethical dilemmas posed by readers" (David Pogue). knotti·ness n.
随便看	pernickety peroneal peroral perorally perorate peroration perorational perovskite peroxidase peroxide peroxidic peroxisomal peroxisome peroxy- peroxyacetyl nitrate perp perp. perpend perpendicular perpendicularity perpendicularly perpetrate perpetration perpetrator perpetual

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