滑轮溜冰 huálúnliūbīng roller skating Origin Definitions Defs Strokes Stroke Words Sentences Sents 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.溜冰 liūbīng verb + noun to ice-skate to ice-skate or roller-skate; to participate in skating as a sport or recreational activity