You can pay to be upgraded to a business class seat.你可以付費升級到商務艙。Helicopters have been upgraded and modernized.直升機已經更新換代，裝配了現代化設備。They upgraded the land by improving it with new buildings.他們建造新樓房來提高土地的等級....

adj.升級的，提升的v.提升( upgrade的過去式和過去分詞 )，使（機器、計算機系統等）升級，提高（設施、服務等的）檔次，提高（飛機乘客、旅館住客等）的待遇...

Medical facilities are being reorganized and upgraded.正在對醫療設施進行重組和升級。She sent her provisional licence with the test certificate to have it upgraded to a full licence.她將臨時執照連同考試證書一起提交上去以申請升級為正式執照。You can pay to be upgrade...