Maintenance of system software
[计] 系统软件维护
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Oh, no sir. We already gave you a discount on each item.
哦，不行，先生。每一件东西我们都给你打过折扣了。
Would Dr.Block be able to see me at 9:30 tomorrow?
明天9点半布洛克医生能给我看病吗？
In this way he was able to find out where they lived, how many chidren they had, and where they died and were buried.
就这样，他了解到祖先的住处，有多少孩子，死在何处，葬在哪里。