动滑轮 dònghuálún movable pulley Definitions Defs Origin Strokes Stroke Words Sentences Sents 动 動 dòng verb to move To change position or status; to set something in motion or displace it; to touch; to alter or modify.滑轮 滑輪 huálún noun pulley A simple lifting device or wheel with a grooved rim for a rope or chain, used for pulling objects or transmitting power; block and tackle.
