Bit at his skin' is a tactile sensation, appealing to the sense of touch.
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"The evidence provided was incontrovertible, leaving no room for further debate." What does 'incontrovertible' mean?
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Scanning: "For the best result, whisk the eggs for three minutes, fold in the flour slowly, and bake at 180°C. Do not open the oven door for the first twenty minutes," when can you open the oven?