Periodic maintenance
[计] 定期维修\\n[化] 定期检修
🧩 词语组成解析
periodic
[,pɪrɪ'ɑdɪk]
adj. 周期的;定期的;回归的;间歇的，时而发生的;
🗣️ 情景例句
What's your idea of price?
价格如何？
Joy put heart into a man.
人逢喜事精神爽。
The problem now facing humanity is: What is going to be done with all this knowledge?
用这些知识去做什么？