Maintenance of equipment
[经] 设备的保养(费), 设备维修(费)
🧩 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
Who has torn these pages out of the book?
谁撕掉书上的这几页？
Do you want me to check the tires?
要检查轮胎吗？
Open your mouth, Jimmy.Show me your tongue.Say, Ah'.
把嘴张开，吉米。让我们看看你的舌头。说“啊——”