I got out of him that young Portly hasn't learnt to swim very well yet, and I can see he's thinking of the weir.
Green turf sloped down to either edge, brown snaky tree-roots gleamed below the surface of the quiet water, while ahead of them the silvery shoulder and foamy tumble of a weir, arm-in-arm with a restless dripping mill-wheel, that held up in its turn a grey-gabled mill-house, filled the air with a soothing murmur of sound, dull and smothery, yet with little clear voices speaking up cheerfully out of it at intervals.
