
好词典

源自英语 'up-'(向上)和 'grade'(等级),字面意思是“提升等级”。
❶ 指对设备、系统或服务的改进或提升,通常是为了提高性能、功能或用户体验。
“The new software upgrades include better security features.”
(新的软件升级包含了更好的安全功能。)
“The airline offers free upgrades to first class for frequent flyers.”
(航空公司为常旅客提供免费升级到头等舱的服务。)
❶ 指对某物进行改进或提升,使其性能或功能更好。
“She upgraded her computer to a newer model.”
(她把电脑升级到了更新的型号。)
“They are planning to upgrade the office network next month.”
(他们计划下个月升级办公室的网络。)
free upgrades — 指无需额外付费即可获得的改进或提升服务,常见于酒店、航班或电子产品。
“Loyal customers often receive free upgrades as a reward.”
(忠诚客户通常会获得免费升级作为奖励。)
system upgrades — 指对计算机系统或软件进行的改进,通常是为了修复漏洞或增加新功能。
“The IT department scheduled system upgrades for the weekend.”
(IT部门安排在周末进行系统升级。)