| 例句 |
verb the process of refining oil/sugar炼油的／炼糖的工序 She has refined her playing technique over the years. This theory still needs a little refining. The information system is constantly refined and updated. supplies of the highly refined white sugar China has eight factories that refine the ore. In those days sugar was refined by boiling it in huge black iron vats. Our methods have been gradually refined over the years. The process of refining oil produces several useful chemicals. The theory was further refined by modern scientists. They would constantly refine their designs until they were almost perfect. |