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n.濃縮v.提升( upgrade的現(xiàn)在分詞 )，使（機器、計算機系統(tǒng)等）升級，提高（設(shè)施、服務(wù)等的）檔次，提高（飛機乘客、旅館住客等）的待遇...

Many people are upgrading their mobiles to top-end models.很多人不斷將手機升級到最高檔的款式。Practical application results are perfect after the well done upgrading.改造實施后達到理想的使用效果.The thesis explains investment decision of R & D upgradin...

upgrading的音標(biāo)：upgrading的英式發(fā)音音標(biāo)為：['?pgre?d??]upgrading的美式發(fā)音音標(biāo)為：['?pgre?d??]...