使升级 提升 改良品种英释
The hotel has recently been refurbished and upgraded..这家酒店最近重新装修过，设施更加完善了。
...equipment which needs expensive upgrades..…需要进行昂贵升级的设备。
upgrade oneself,提升自我
on the upgrade,上升的；进步的
upgrade kit,扩充成套
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