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
You should take your health more seriously.
你对自己的健康得更当回事儿。
My watch is more expensive because it's a chronometer.
我的手表是精密型的，所以要比你的贵。
Have a nice time in Guangzhou. And say Hi to Bob from me.
祝你在广州玩得愉快。并请代我向鲍勃问好。