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, I'm so sorry.
噢， 我真难过。
I appreciate your helping me.
感谢你的帮助。
Though people have often laughed at stories told by seamen, it is now known that many of these 'monsters' which have at times been sighted are simply strange fish.
虽然人们常常对水手们讲的故事付诸一笑，但现在看来，人们有时看到的这些“妖怪”很多不过是些奇怪的鱼。