单词	精炼--炼油--精制
释义	炼油；精炼；精制refining
随便看	the buoy for an anchor the burden of a ship the burning deserts the burrowing spider the bushiness of bamboo and firs the business. a rat's head (timidity) will spoil the business in hand the business of divination the business of drawing the business of government the business of sewing the business of the day the business of the day (或 meeting) the business of the meeting the business of the world the business of the yamun being over the business of war the buskin and the sock the bustle of a market the busy months the butcher's trough the butcher, the baker, the candlestick maker the butcher, the baker, the candlestick-maker the but-end of a musket the but-end of an arrow