Maintenance regulation
[化] 保养规程; 技术维护规程
🧩 词语组成解析
🗣️ 情景例句
It is said that another suicide bombing occurred in the country yesterday.
据称，昨天在这个国家又发生了一起自杀式炸弹事件。
Make yourself necessary to someone.
使你有益于人。
I will try, but no promises.
我会试试看，但是不敢保证。